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Norovirus outbreaks surging on cruise ships this year

By Emily Mae Czachor

July 12, 2023 / 10:33 AM EDT / CBS News

Norovirus outbreaks spiked on cruise ships this year, with data showing more outbreaks happened between January and June than over the course of any other full calendar year in the last decade. Thirteen norovirus outbreaks have been reported on cruises so far in 2023, according to the U.S. Centers for Disease Control and Prevention , which keeps a record of annual case counts dating back to 1994.

The most recent outbreak hit passengers and crew members on board a Viking Cruises trip from Iceland that docked in New York on June 20. More than 13% of passengers on the Viking Neptune — 110 of 838 in total — reported being ill while onboard, according to the CDC. Nine crew members reported being ill as well. Health officials at the CDC determined that norovirus caused the outbreak after Viking Cruises collected and sent specimens to the agency's laboratory for testing.

Those cases in June came after multiple norovirus outbreaks in previous months that affected a range of cruise lines.

In May, two outbreaks were reported on voyages led by Celebrity Cruises and Holland America. In March, Celebrity Cruises reported two norovirus outbreaks, as did Royal Caribbean International and Princess Cruises. Princess Cruises reported its first outbreak of the year in February, and Royal Caribbean International reported two the previous month. P&O Cruises also reported an outbreak on its Arcadia cruise ship this year.

The CDC's tally of norovirus outbreaks so far confirmed on cruise ships in 2023 is already higher than any annual outbreak tallies since 2012, when the health agency recorded 16 outbreaks.

Symptoms of norovirus

Norovirus is a highly contagious virus that causes acute gastroenteritis, which is inflammation in the stomach or intestines, according to the CDC . Health officials say norovirus is the most common cause of vomiting and diarrhea as well as the most common type of foodborne illness .

Norovirus is often referred to as a "stomach bug" or "stomach flu" (although it is not a form of flu). It causes a variety of symptoms including nausea, vomiting, diarrhea and stomach pain. People infected with the virus may also have headaches, fevers and body aches, and are at risk of dehydration.

The virus spreads easily and is typically contracted when someone accidentally ingests tiny particles of vomit or feces from someone who is infected with it. The CDC writes that people who are infected "can shed billions of norovirus particles that you can't see without a microscope," and exposure to just a few norovirus particles can make someone sick.

Symptoms typically emerge within 12 to 48 hours of being exposed. Most people get better after a few days, but severe cases may require hospitalization.

Studies have shown that norovirus can continue to spread for two weeks or more after an infected person stops having symptoms of the illness, according to the CDC.

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Emily Mae Czachor is a reporter and news editor at CBSNews.com. She covers breaking news, often focusing on crime and extreme weather. Emily Mae has previously written for outlets including the Los Angeles Times, BuzzFeed and Newsweek.

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Norovirus outbreaks on cruise ships surge to decade-high levels: How to avoid the stomach bug

In 2023, a decade-high number of cruise ships have reported an unwelcome passenger on board: norovirus.

Outbreaks of the stomach bug have surged on cruise ships this year, reaching the highest levels seen in 10 years. Since January 2023, there have been 13 confirmed norovirus outbreaks on cruise ships under U.S. jurisdiction — that's more outbreaks in six months than there have been during any full year since 2012, according to data from the U.S. Centers for Disease Control and Prevention .

After a lull during the COVID-19 pandemic, cases of the highly contagious virus that causes diarrhea and vomiting, aka stomach flu, spiked this winter and spring on land. As post-pandemic travel surges and millions of Americans return to cruise ships, an increasing number of cruise lines are reporting outbreaks at sea.

Norovirus outbreaks on cruise ships

Most recently, a norovirus outbreak in June on the Viking Neptune sickened 110 passengers (over 13% of the ship's guests) and nine crew members with vomiting, diarrhea and abdominal cramps, according to the CDC . The CDC has tracked outbreaks of gastrointestinal illness on cruise ships through its Vessel Sanitation Program (VSP) since 1994.

Several weeks prior, a Celebrity Summit cruise ship reported an outbreak of norovirus that sickened more than 150 passengers and 25 crew members, per the CDC . It was the third norovirus outbreak on a Celebrity Cruises vessel this year. Another popular cruise line, Royal Caribbean International, has reported four outbreaks since January.

Cruise ships are required to report cases of gastrointestinal illness to the CDC before arriving at any U.S. port, and the CDC will notify the public about outbreaks if they meet certain criteria, including: the ship is carrying 100 or more passengers, the voyage is three to 21 days long, and 3% or more of passengers or crew report symptoms, per the CDC .

The number of outbreaks in the first six months of 2023 is higher than the yearly total during every year since 2012, when there were 16 outbreaks on cruise ships reported to the CDC.

Norovirus can spread year-round, but it tends to have a wintertime seasonality and peak during the colder months. Outbreaks are most common between November and April, TODAY.com previously reported.

"It's a virus we typically see all throughout spring, so it’s not unusual to be see cases in April and May, (and) we are continuing to see many cases now," Dr. Luis Ostrosky, an infectious disease specialist at UTHealth Houston and Memorial Hermann in Houston, tells TODAY.com.

However, as travel surges this summer, travel-related illnesses are expected to surge, as well. “I think our travel frenzy after COVID is partially fueling this continued spread (of norovirus),” says Ostrosky.

What should people know about norovirus and how to avoid getting sick on cruise ships this summer?

Norovirus symptoms and treatment

The most common symptoms of norovirus are vomiting, nausea, diarrhea and abdominal pain, Dr. Albert Ko, infectious disease physician and professor of public health, epidemiology and medicine at Yale School of Public Health, tells TODAY.com.

Less commonly, norovirus may cause a headache, muscle aches, or a low-grade fever — symptoms usually develop within one to two days after exposure to the virus, per the CDC .

In the vast majority of people, norovirus symptoms will last several days and resolve on their own.

There’s no specific treatment or antiviral for norovirus, according to Ostrosky, but most cases can be managed at home with supportive care like hydration and rest. Sick people should also isolate until their symptoms resolve, the experts emphasize.

Some people are at higher risk of developing severe norovirus symptoms — these include infants, the elderly, and people with compromised immune systems, Ostrosky noted.

How does norovirus spread?

Norovirus is highly contagious and can spread directly through sick people and contaminated surfaces, food, or drinks.

Transmission often occurs when tiny virus particles in feces or vomit from an infected person end up in another person's mouth through direct contact or by touching contaminated surfaces and putting unwashed hands in the mouth or nose, TODAY .com previously reported .

Norovirus can also get into food before, during or after preparation, and it's the top germ causing foodborne illness in the U.S., per the CDC . Virus particles can contaminate drinking water that isn't treated properly or pools when people poop in the water.

It only takes a small number of virus particles for norovirus to spread, which is why norovirus causes so many explosive outbreaks, Ko previously told TODAY.com.

Exposure to less than 100 norovirus particles can make someone sick, and infected people typically shed billions of particles, according to the CDC.

Most people are infectious from symptom onset until about two or three days after recovering, but some people can remain contagious for weeks, Ko notes. People can get infected with norovirus multiple times in their lifetime.

Is norovirus common on cruise ships?

Certain environments are more conducive to the virus spreading. According to the CDC , the most common settings for norovirus outbreaks are health care facilities, restaurants or catered events, schools, day cares and, of course, cruise ships.

Cruise ships are often associated with norovirus because of the enclosed spaces, close living quarters, communal dining and high turnover of passengers, experts note. That said, outbreaks of acute gastrointestinal illnesses are relatively infrequent on cruise ships compared to settings on land, the CDC notes .

How to avoid norovirus on a cruise

Hand hygiene is key to prevent the spread of the highly contagious virus — but the way you clean your hands matters, experts note. It has to be with soap and water, because alcohol-based hand sanitizers are not effective against norovirus.

“Norovirus is one of the few viruses that doesn’t get deactivated by alcohol. You actually need to use soap and water to physically destroy it and remove it from your hands,” Ostrosky previously told TODAY.com.

It's important to wash your hands with soap and clean water frequently, but especially after using the bathroom or changing diapers, before eating and before touching your face.

Surfaces or objects that are contaminated with norovirus can be cleaned with a high-level disinfectant like bleach, per Ostrosky.

On cruise ships, avoid sick people if you can. Passengers who experience norovirus symptoms like vomiting and diarrhea should notify staff and follow recommended precautions, per the CDC .

Caroline Kee is a health reporter at TODAY based in New York City.

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Norovirus Outbreaks on Cruise Ships: How to Avoid Getting Sick on Vacation

There have been 13 norovirus outbreaks on cruise ships in 2023.
Experts note that the highly congested environment, as well as the fact that people have not been exposed to as many illnesses due to the COVID-19 pandemic, are likely the reason for the increased norovirus numbers.
Experts recommend maintaining proper hygiene habits and contacting the ship’s medical facility as soon as you don’t feel well in order to avoid spreading illnesses while at sea.

Multiple cruise lines are experiencing norovirus outbreaks.

There have currently been 13 norovirus outbreaks on cruise ships in 2023. The most recent outbreak occurred on a Viking Cruises ship, which traveled from Iceland and docked in New York City. About 13% of its passengers and several crew members became ill with the virus while on board.

With more than 31 million passengers worldwide expected to set sail this year, experts told Health that these highly-congested environments—along with the fact that people have not been exposed to a normal amount of illnesses due to the pandemic—could be the reasons for the increased numbers.

“Loosening of restrictions after the COVID-19 pandemic makes us more susceptible to picking up viruses after several years in seclusion,” Sanjiv Shah, MD, MPH , an infectious disease specialist and chief medical officer for MetroPlusHealth, New York City’s public health insurance program, told Health.

“Children who have been able to avoid the virus during the pandemic are now being exposed to viruses that tend to peak during the school year,” he said. “While norovirus is higher this year, the numbers are not a big outlier compared to pre-pandemic levels.”

Getty Images / Michael Dunning

What Is Norovirus?

Norovirus is the most common cause of gastroenteritis and foodborne illness . Though people often call it the “ stomach flu ,” it has nothing to do with flu, Brian Labus, PhD, MPH, REHS , an expert in infectious diseases, told Health .

“You have to swallow the virus to get sick,” Labus, an assistant professor in the Department of Epidemiology and Biostatistics at the UNLV School of Public Health, said. “That can be through consuming contaminated food or touching a contaminated surface and then touching your mouth or not washing your hands before you eat.”

Norovirus, which causes inflammation of the stomach or intestines, typically causes diarrhea , vomiting, nausea, and stomach pain Bernadette Boden-Albala, DrPH, MPH , director and founding dean of the Program in Public Health at the University of California Irvine told Health . Other symptoms can include fever, headache, and body aches.

Typically, norovirus lasts for one to three days, though you can spread the illness for a few days after.

“Infected people spread the virus widely and make it difficult for public health officials to contain the virus,” Boden-Albala said.

Why the Number of Norovirus Outbreaks Increased

The exact cause for the increase in the number of norovirus cases is not clear, but the increasing demand for cruises could be one explanation for the rise in reported cases, said Labus.

During COVID, the options for cruises were limited, but now that restrictions have been lifted , more people are deciding to take that cruise they had been putting off.

People also are more likely to get sick now since pandemic restrictions have been lifted. For the past few years, people have not been exposed to as many common viruses and illnesses and now that exposure is rising, illnesses are bound to rise as well.

It also is possible the numbers for norovirus on cruise ships appear more alarming than they truly are.

On cruise ships, health officials are legally required to track any illnesses that occur, while this same reporting is not required on land. For this reason, the Centers for Disease Control and Prevention note that outbreaks are reported more frequently on sea than on land.

“The risk of getting norovirus each year is about 1 in 15 [but] a cruise passenger has about a 1 in 5,500 risk of getting norovirus,” Sally Andrews, vice president of strategic communications and public affairs for the Cruise Lines International Association told Health .

Environments Where Norovirus Spreads Quickly

According to Shah, norovirus spreads rapidly anywhere there are large groups of people, like school classrooms, family gatherings, and weddings.

Cruise ships in particular have many of the conditions that make people susceptible to norovirus—close quarters, enclosed spaces, communal dining, and high turnover of passengers.

“The virus is often associated with cruise travel simply because health officials are required to track illnesses on ships,” Shah said. “The CDC estimates only about 1% of annual U.S. norovirus cases happen on cruise ships. Rates are much higher in schools, nursing homes, hospitals, and restaurants, which collectively account for about 91% of cases.”

Minji Kang, MD, an assistant professor and infectious disease specialist in the Department of Internal Medicine at UT Southwestern Medical Center added that norovirus can also be brought onboard by contaminated food or water, or passengers who were infected while ashore.

Yes, Cruise Ships Have Strategies to Prevent Outbreaks

Because norovirus outbreaks can flare up in the close quarters of a ship, the cruise industry has had norovirus prevention programs in place for nearly 20 years, Labus said. “They have the right chemicals needed to control it and the plans and training for how to use them appropriately.”

Cruise ships also have plans for how to deal with ill guests to ensure that they are not infecting other passengers, he said. “It’s important to let the ship’s medical staff know if you are sick so that they can protect the rest of the passengers.”

According to the American College of Emergency Physicians (ACEP), every cruise ship must have a place to isolate any passengers who have a contagious disease. This step helps them minimize the risk of spreading the disease to others.

What’s more, the CDC has established a rigorous Vessel Sanitation Program (VSP) to help prevent the overall spread of illnesses on cruise ships. Not only do they inspect a cruise ship’s medical center, but they also monitor their portable water systems, dining rooms, housekeeping procedures, heating, ventilation, air conditioning (HVAC) systems, and more.

If a cruise ship does not do well on its inspection—or gets an 85% or lower—it cannot set sail until it corrects the issues.

Staying Healthy While on a Cruise

While there have been 13 outbreaks of norovirus on cruise ships this year, Labus explained that not every cruise passenger is going to be exposed to the virus. Still, taking certain steps to prevent the likelihood of getting sick is never a bad idea.

“The most important measure to prevent the spread of norovirus is to wash your hands with soap and water for at least 20 seconds,” said Kang. “This should be done before eating and drinking, brushing one’s teeth, and after going to the bathroom, touching high-hand contact surfaces, and taking care of a sick person.”

She noted that hand sanitizers do not work well against norovirus and that they are not a substitute for handwashing.

For extra peace of mind, you can also research your cruise line prior to booking.

To see how your specific cruise line performed on its VSP inspections, you can visit the CDC website and search their portal. This site also lists any corrective actions taken to remedy any issues. You can even look for cruise lines that have scored a perfect 100.

If you do happen to get sick while on a cruise, Boden-Albala recommends that you follow CDC guidelines and report your illness to the ship’s medical facility as soon as possible. “[You also should] rest and drink plenty of water to rebuild your immunity system and prevent dehydration.”

Even though you may be tempted to conceal your illness, you would be doing a great disservice to the other passengers and the crew on the cruise by keeping it a secret.

“While staying in your cabin [for a day or two] may not make for the best vacation,” Shah said, “it’s important to take precautions to avoid infecting others.”

Centers for Disease Control and Prevention. Outbreak updates for international cruise ships .

Cruise Lines International Association. State of the cruise industry 2023 .

Centers for Disease Control and Prevention. Symptoms of norovirus .

Centers for Disease Control and Prevention. Facts about noroviruses on cruise ships .

Cruise Lines International Association. Norovirus on cruise ships .

American College of Emergency Physicians. Healthcare guidelines for cruise ship medical facilities .

Centers for Disease Control and Prevention. Vessel sanitation program: inspection infographic .

Centers for Disease Control and Prevention. Advanced cruise ship inspection search .

Centers for Disease Control and Prevention. Cruise ship inspection scored 100 .

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Norovirus Cases Are Rising on Cruises. Here’s How You Can Stay Safe

Keep hands clean as stomach bug cases rise.

a man on the deck of a cruise ship with a book in his lap

Larry Bleiberg,

Just as travel has begun to bounce back after the pandemic, cruise ship passengers are facing another threat to their vacation: norovirus .

Thirteen ships so far this year have reported outbreaks of the highly contagious stomach bug, the most since 2012, according to the U.S. Centers for Disease Control and Prevention (CDC) . Nearly 1,700 passengers have come down with the virus, which causes vomiting, nausea, diarrhea and stomach pain. Not only does it take the joy out of vacation, keeping passengers confined to their stateroom, but for older travelers, there’s a concern of dehydration, doctors say.

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The bug thrives in crowded conditions and is spread through food and by touching contaminated surfaces. The easiest way to avoid the ailment is to wash your hands with soap and water after using the bathroom, before eating and after touching surfaces touched by others.

Samuel Mathis, M.D., an assistant professor in the University of Texas Medical Branch Department of Family Medicine, says the resilient virus can live for days and there are plenty of places for it to linger on cruise ships: “Door handles, stairway banisters, tongs for food at the buffet, things that a lot of people touch that aren’t cleaned between each use.”

And washing your own hands isn’t enough. Mathis says older passengers and others traveling with family face a risk from others in their party. For example, if grandchildren aren’t careful hand-washers, they can easily infect their grandparents and others.

Mathis, who works in Galveston, Texas, a cruise port, has seen passengers with norovirus. He says that while the virus itself is uncomfortable, it isn’t typically dangerous. “The biggest risk for almost everyone — but especially for seniors — is actually the risk of dehydration: losing all that fluid through nausea, vomiting and diarrhea.”

Symptoms of dehydration include extreme thirst, lack of urination and dizziness when standing, Mathis says.

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If passengers come down with a stomach bug, they should contact the ship’s medical clinic, which will monitor for dehydration. In addition, they should stay in their cabin away from people until they are symptom-free for at least 24 hours, Mathis says. “That can be really rough because you’re missing your cruise.”

The most recent norovirus outbreak was reported on the Viking Neptune cruise ship. During its June 6 to June 20 voyage, 110 of the ship’s 838 passengers, or 13.1 percent, were infected. In addition, nine of the 455 crew members were infected.

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“We believe the gastrointestinal illness originated from a shoreside restaurant in Iceland where a group of guests dined during their free time,” the cruise line said in a statement. After docking in New York, the ship was thoroughly cleaned and disinfected, and continued its scheduled sailings.

The CDC regularly inspects cruise ships and monitors the number of outbreaks. This year, norovirus also has been reported on cruises operated by Royal Caribbean International, Celebrity Cruises, Princess Cruises, Holland America and P&O Cruises. The worst year for norovirus was 2006, when 32 ships reported infections, according to the CDC.

Cruise experts say several factors may be contributing to the rise in cases. For one, cruising has soared this year, with the number of passengers expected to surpass the total that sailed in 2019, according to the Cruise Lines International Association.

Letting down their guard

Ashley Kosciolek, senior cruise writer at The Points Guy, a consumer travel website, says that after years of COVID-related precautions, passengers may have let their guard down.

“People are just so happy to be back, but they’ve gotten a little lax with hygiene. I personally have seen lots of people using the women’s room and not washing their hands. I don’t know if it’s subconscious rebellion or if they don’t realize what could happen.”

Kosciolek says she has made it a practice to wash her hands before going to the buffet, and then washing them again before she eats, since buffet implements aren’t sanitized after each passenger touches them.

Mathis says it might even make sense for passengers to avoid the buffet and dine only at their ship’s sit-down restaurants.

That said, the chances of catching the bug on a cruise ship aren’t particularly high. According to the Cruise Lines Industry Association , the risk each year of getting laboratory-confirmed norovirus during a ship outbreak is about 1 in 5,500. The most common settings for norovirus aren’t even at sea. Over half of all cases originate in long-term health care facilities, according to the CDC, while less than 1 percent of all norovirus cases come from cruise ships.

Kosciolek notes that while cruise ships are required to report outbreaks, many land-based cases go unreported. “It is easy for someone who has never cruised to see these news reports and say, ‘Oh my goodness, I’m never going to cruise because I’m going to get sick.’ ”

Likewise, Mathis says vacationers shouldn’t let the fear of norovirus keep them from taking a vacation.

“I do not suggest that people don’t go on cruises. When proper safety precautions are taken, cruises are fantastic opportunities for individuals to relax, to spend time with friends or family and meet new people. It really just comes down to recognizing there are risks.”

Virginia native Larry Bleiberg is president of the Society of American Travel Writers, a frequent contributor to BBC Travel and the creator of CivilRightsTravel.com .

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Surge at Sea: Alarming Increase of Norovirus Outbreaks on Cruise Ships

By SciTechDaily July 14, 2023

The allure of the open sea, captivating itineraries, and the luxurious promise of a carefree escape have long made cruising a popular choice for vacationers. However, this industry’s lustrous appeal has recently been overshadowed by a surge in outbreaks of a particularly stubborn and contagious pathogen — Norovirus.

Since the start of this year, an unsettling trend has emerged. According to data compiled by the Centers for Disease Control and Prevention (CDC), there have been 13 outbreaks across six different cruise lines. This alarming number marks the highest incidence of such outbreaks since 2012 when there were 16 across eight lines over the entire year.

In light of these recent developments, it’s imperative to explore and understand the nature of Norovirus — what it is, why it’s a recurring issue aboard cruise ships, and its impact on the cruise industry. This article aims to shed light on these matters, unpacking the complexities of the problem, and highlighting the steps that are being taken to address it.

The recent surge in Norovirus outbreaks underscores the necessity of vigilance and proper understanding of this issue, both for those planning a dream vacation at sea and for those in the cruise industry itself. Together, we can work towards ensuring that cruise ships remain a place of relaxation and enjoyment, rather than a breeding ground for this troublesome virus .

What is Norovirus?

Norovirus, sometimes referred to as the “winter vomiting bug,” is a highly contagious virus that causes gastroenteritis, an inflammation of the stomach and intestines. Named after Norwalk, Ohio, where the first outbreak was identified in 1968, norovirus can lead to severe vomiting, diarrhea, stomach cramps, and, in certain cases, even more serious consequences such as severe dehydration.

The virus is commonly spread through direct contact with an infected person, consuming contaminated food or water, or touching surfaces or objects contaminated with the virus. One of the main challenges in containing norovirus is its ability to survive on various surfaces for a significant amount of time, making it easy to pick up unknowingly.

Why is Norovirus a problem on Cruise Ships?

Highly contagious in close quarters.

The design and operation of cruise ships often involve large groups of people living in close proximity, sharing dining areas, entertainment spaces, and public restrooms. This makes it easy for norovirus to spread rapidly from person to person.

Quick and Vast Outbreaks

When a single case of norovirus appears on a cruise ship, it can quickly become an outbreak affecting hundreds or even thousands of people. This can happen incredibly quickly due to the confined nature of a cruise ship and the frequency of close interactions among passengers and crew.

Contaminated Food and Water

Cruise ships are known for their vast buffets and dining options. This presents an opportunity for the virus to spread if food or water becomes contaminated, either by an infected person or through improper handling and storage.

Difficulty in Proper Sanitation

While cruise ships have strict sanitation practices, the resilience of norovirus complicates matters. The virus can survive for days on surfaces and is resistant to many common disinfectants, making it challenging to eliminate once an outbreak has occurred.

Interruption of Planned Activities

A norovirus outbreak can cause significant disruption to the planned activities and itineraries of a cruise. Infected individuals must be isolated, common areas may need to be closed for cleaning, and in severe cases, the ship may even have to return to port.

The Impact of Norovirus on Cruise Industry

Cruise lines have had to invest heavily in cleaning and sanitation protocols, disease detection methods, and passenger education to combat the threat of norovirus. In many instances, outbreaks have led to public relations challenges, decreased passenger satisfaction, and financial losses due to trip cancellations and medical costs.

Moreover, the cruise industry often finds itself under scrutiny following an outbreak, which can affect the public’s perception and willingness to book cruises, ultimately impacting the industry’s bottom line.

The threat of norovirus on cruise ships is a serious issue that has both health and economic impacts. The confined environment of a cruise ship, combined with the virus’s highly contagious nature, creates a significant challenge. It’s crucial for cruise lines, passengers, and health officials to remain vigilant, proactive, and informed to prevent and contain potential norovirus outbreaks.

While the industry has made strides in improving sanitation protocols and disease prevention measures, the threat of norovirus remains a considerable concern that must be continuously addressed to ensure the safety and well-being of all passengers at sea.

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2 comments on "surge at sea: alarming increase of norovirus outbreaks on cruise ships".

Pay tons of money to be crammed onto a petri dish and no way off, no thanks. Then once you are on board its more $$$ for anything.

I might enjoy a cruise in a small ship with a few people, but having done a trip on a large ship many years ago I found all the hobnobbing with hundreds of other people to be psychologically scream-making ! Far too many humans in one place – no amount of luxury things would compensate for the horror of that, let alone worrying about a virus. So no thanks !

Cruise lines battle norovirus outbreaks, affecting crews, hundreds of passengers. Here's what to know

In all, about 1,700 people reported being sick with norovirus aboard a cruise ship between January and June of this year.

By Monica Galarza and Marissa Bagg • Published July 13, 2023 • Updated on July 13, 2023 at 6:49 pm

The Centers for Disease Control and Prevention is reporting the highest number of norovirus outbreaks in over a decade and it is impacting hundreds of passengers and crew members onboard some of the most prominent cruise lines.

In the first six months ending in June, cruise lines have reported 13 separate outbreaks to the CDC. It’s the most number of reported norovirus outbreaks on cruise ships since 2012.

And this year’s outbreaks represent the highest number since cruises began sailing again in the summer of 2021 after being suspended due to COVID-19.

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One local expert says it’s in part because more people are cruising.

“The hundreds of thousands, if not millions of people that have already gone on cruises without incident. It’s a very small number and it’s there’s nothing to be concerned about,” said Steward Chiron, a cruise expert. “I would not think twice about going on a cruise. I would not think twice about going on a cruise or traveling anywhere.”

Celebrity, Royal Caribbean International, Holland America, Princess and P&O were among the Royal Caribbean and Carnival lines affected.

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So if you're planning to set sail this summer, here's everything you need to know about the norovirus.

What is norovirus?

According to the CDC, norovirus is the leading cause of vomiting, diarrhea, and foodborne illness in the United States.

It's also not a one-and-done virus. You can get norovirus illness many times in your life because there are many different types of noroviruses and one type may not protect you against the others.

It is possible, however, to develop protection against specific types, but it's not known exactly how long protection lasts.

This may explain why so many people of all ages get infected during norovirus outbreaks.

According to the CDC, your likelihood of getting a norovirus infection is also determined in part by your genes.

How does norovirus spread?

Because people of all ages can get sick with norovirus, it can spread easily and quickly.

The CDC says norovirus can be spread by:

Having direct contact with someone with norovirus, such as by caring for them, sharing food or eating utensils with them, or eating food handled by them.
Eating food or drinking liquids that are contaminated with norovirus.
Touching surfaces or objects contaminated with norovirus and then putting your unwashed fingers in your mouth.

You are at your most contagious when you have symptoms of norovirus illness, especially vomiting or during the first few days after you feel better.

But studies have shown that you can still spread norovirus for two weeks or more after you feel better.

According to Mayo Clinic , norovirus most often spreads in closed and crowded environments, such as hospitals, nursing homes, child care centers, schools and cruise ships.

But it can also spread through contaminated food, water or through sick people and contaminated surfaces.

What are the symptoms of norovirus?

According to the CDC, the most common symptoms of norovirus are diarrhea, vomiting, nausea and stomach pain.

You may, however, experience fevers, headaches, and body aches.

Symptoms usually last one to three days and most people recover, according to the Mayo Clinic.

How do you treat norovirus?

There is no specific medicine to treat people with norovirus illness.

If you have norovirus illness, the CDC recommends you drink plenty of liquids to replace fluid lost from vomiting and diarrhea and help prevent dehydration.

Sports drinks and other drinks without caffeine or alcohol can help with mild dehydration, but these drinks may not replace important nutrients and minerals.

It is important to note that antibiotic drugs will not help treat norovirus infections because they fight bacteria, not viruses.

When was the most recent norovirus outbreak on a cruise ship?

The CDC's latest report of a norovirus outbreak happened on Viking Neptune, a cruise ship owned by Switzerland-based Viking Cruises, during a voyage from June 6 to June 20.

According to the CDC, 110 of 838 passengers and nine of the 455 crew members reported feeling ill during the trip.

The following ships saw outbreaks so far in 2023: Celebrity Summit, Nieuw Amsterdam, Grand Princess, Emerald Princess, Enchantment of the Seas, Celebrity Equinox, Celebrity Constellation, Ruby Princess, Viking Neptune, Jewel of the Seas, Brilliance of the Seas, Arcadia.

What can I do to prevent contracting norovirus?

The key to preventing norovirus , and most other illnesses is simply washing your hands well.

Norovirus is very contagious, but you can take steps to stop it from spreading.

Wash your hands often with soap and water for at least 20 seconds, especially:

After using the toilet or changing diapers.
Before eating, preparing, or handling food.
Before giving yourself or someone else medicine.

It is important to continue washing your hands often even after you feel better.

Chiron says cruise lines try to keep ships clean and limit some interactions.

“What they do is they reduce the person-to-person interactions. So when you go to the buffet for example for breakfast or lunch. Instead of serving yourself a gloved crew member will do it for you,” said Chiron.

When on board, if you see someone with norovirus symptoms, you’re urged to leave the area and alert a crew member.

Norovirus can be found in your vomit or feces (poop) even before you start feeling sick. The virus can also stay in your poop for two weeks or more after you feel better and you can still spread norovirus during that time.

Hand sanitizer does not work well against norovirus. You can use hand sanitizers in addition to hand washing, but hand sanitizer is not a substitute for handwashing.

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Cruise News

CDC Reports 14th Cruise Ship Norovirus Outbreak of 2023

Andrea Santillan

October 16, 2023

A cruise ship norovirus outbreak was reported on Virgin Voyages’ Scarlet Lady during its October 8 sailing, according to the Centers for Disease Control and Prevention (CDC).

The cruise ship reported over 70 cases of norovirus during an October 8 to 13 sailing. The ship’s next batch of passengers were alerted while sanitary measures have been adopted to prevent another outbreak.

While sailing on a Riviera Maya cruise that included stops at Cozumel, Mexico, and Bimini, the Bahamas, 66 out of 2,198 passengers and seven crew members onboard the Scarlet Lady reported symptoms of the norovirus. These included vomiting, diarrhea, and stomach cramps.

Though the virus’s origin remains unknown, news of the outbreak has been shared with the Centers for Disease Control and Prevention (CDC).

This move complied with established CDC health protocols to report gastrointestinal outbreaks affecting at least 2% of a cruise ship’s passengers and crew members of 3% of the passengers.

RELATED: Truth and Lies About Norovirus

COO for Virgin Voyages , Michelle Bentubo, assured the public of the company’s timely response, saying, “Our medical team isolated these travelers, and we immediately enacted enhanced sanitization procedures, including additional cleaning of cabins and high-contact areas around the ship. We are working closely with the CDC and their medical professionals.”

According to the cruise line , its next sailing to Grand Turk and Bimini on October 13 proceeded as scheduled. The Vessel Sanitation Program under the CDC will continue monitoring the situation, including the ship’s response to the outbreak and sanitation measures.

Ships make up a “tiny minority” of norovirus cases

Scarlet Lady’s October 8 voyage was the 14th sailing in 2023 to experience an outbreak of norovirus. While that may seem like a lot, an epidemiology professor told USA Today that cruise ships are only accountable for a “tiny minority of norovirus outbreaks.”

To reduce your risk of catching it, the CDC recommends washing your hands often, getting plenty of rest, drinking sufficient water, and leaving areas where people are showing symptoms. In case you get sick, report your illness to the crew.

Over the summer, a Viking cruise ship had a noro incident with 119 guests and crew, bringing the total to over 13%.

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Bringing you 15 years of cruise industry experience. Cruise Radio prioritizes well-balanced cruise news coverage and accurate reporting, paired with ship reviews and tips.

Quick links

Cruise lines have reported 13 outbreaks of norovirus through June

Carnival Cruise Line's Ecstasy is docked amid the coronavirus outbreak on March 27 in Jacksonville, Fla. Carnival says it's planning to resume cruises beginning in August

It's the most norovirus outbreaks over the first six months of a year since 2012. The reports come from ships under Carnival and Royal Caribbean brands, according to the CDC.

Cruise lines are reporting that the frequency of norovirus outbreaks has reached its highest point in a decade.

In the first half of 2023, 13 outbreaks were confirmed by the Centers for Disease Control and Prevention, the Miami Herald reports.

That's the most since 2012 when there were 16 confirmed outbreaks.

That marks the highest number since ships started sailing again in 2021 after COVID-19 restrictions kneecapped the cruise industry.

The outbreaks affected Royal Caribbean and Carnival lines, on Celebrity, Royal Caribbean International, Holland America, Princess and P&O ships, according to the Centers for Disease Control and Prevention.

The most recent outbreak occurred during a June 6-20 voyage of a Viking Cruises voyage from Iceland that docked in New York City. The CDC said out of nearly 840 passengers, 110 reported feeling ill.

CruiseMapper
Ships and Lines

Cruise Ship Norovirus Outbreaks

Here are listed latest cruise ship Norovirus outbreaks on passenger ships, with information what is and how to avoid Norovirus on cruise ships, CDC reports, and news updates.

From the following links, you can skip the intro and jump directly to illness outbreaks in 2024 , 2023 , 2022 , 2020 , 2019 , 2018 , 2017 , 2016 , 2015 , 2014 , 2013 , 2012 , also read about Zika virus , Seasickness , Hospital (shipboard infirmary) and Mercy Ships (hospital ship Africa Mercy) .

Note: The following CruiseMapper link provides information on Coronavirus/COVID outbreaks on cruise ships .

Norovirus outbreaks on cruise ships in 2024

Cruise norovirus outbreaks updates.

Norovirus on ships is spread through contaminated water, foods and surfaces (public restrooms, railings, doorknobs, handles, board games-cards-puzzles-toys, etc). Norovirus withstands chlorine, prolonged exposure outside the body, as well as temperature extremes. Like a virus, Norwalk can't be effectively treated with antibiotics, making it extremely difficult to eliminate in closed environments - like cruise vessels.

Norovirus may incubate up to 48 hours before the symptoms appear. This makes it difficult to restrict an outbreak. Noro symptoms include nausea, vomiting (kids more than adults, abdominal cramps, diarrhea, general weakness, low fever, headache, muscle aches. The illness could last up to 5 days (depending on the person's age, general health, and severity of the exposure to the virus. Recovered patients can still spread the virus for up to 2 weeks.

Quarantining the ill passengers and crew to their cabins is mandatory (at least for 48 hours) to slow the outbreak's spread. Failing to comply with the crew's orders results in fines or even discharge from the ship.

CruiseMapper's Norovirus survey is based on official data from CDC.gov (USA's "Centers for Disease Control and Prevention"). CDC's "Vessel Sanitation Program" assists the cruise tourism industry in preventing and controlling the transmission and spread of gastrointestinal illnesses (Norovirus, ETEC) on passenger ships calling on US seaports.

Cruise Ship Norovirus - CruiseMapper CruiseMinus

This program operates under the authority of the Public Health Service Act (fda.gov, "Quarantine and Inspection Regulations to Control Communicable Diseases"). CDC sanitation inspections on passenger ships are conducted twice a year. Scores of 86 are considered passing. Among the issues that CDC health inspectors usually find on board and report are:

food debris
dead insects
insect droppings
records indicating crewmembers (including cooks and galley staff) working while sick (suffering from gastrointestinal disorders or with acute gastroenteritis/AGE symptoms)
cracked/corroded equipment
soiled cutting boards
food served undercooked
lack of safety instruction signs.

CDC cruise ship Norovirus reports

Cruise ship outbreaks are reported (posted on the CDC website) when the illness incident meets the following criteria:

The ship falls within the purview of the Vessel Sanitation Program (VSP). This means if it carries 13+ passengers and has a foreign cruise itinerary with US ports of call in it. Keep in mind, that most departures are from US-based home ports.
The ship cruise itinerary length is between 3 and 21 days,
The ship carries 100+ passengers.
The percentage of infected passengers or crew (cases reported to the ship's med staff) during the cruise is 3% or more. This means small outbreaks on cruise ships will not be reported to the CDC.

CDC cruise ship inspection fees are payable by the shipowner. Fees are based on the vessel's size. VSP doesn't charge fees for consultations related to shipping facilities renovations or new ships. Inspection fees are as follows.

Small ships (under 3000 GT/gross tons) pay USD 1500 per inspection.
Small ships (between 3000-15000 GT) pay USD 3000 per inspection.
Medium ships (between 15000-30000 GT) pay USD 6000 per inspection.
Large ships (between 30000-60000 GT) pay USD 9000 per inspection.
Extra-large ships (between 60000-120000 GT) pay USD 12000 per inspection.
Mega-liners (above 120000 GT) pay USD 18000 per inspection.

Note: When the itinerary doesn't include US cruise ports, the ship is not required to report to CDC, thus no official illness outbreak report would be issued.

CDC ship illness outbreak investigations

VSP (abbrev "Vessel Sanitation Program") monitors CDC's observations on illness patterns for GI (gastrointestinal) outbreaks on passenger shipping vessels ( ferries and cruise ships ).

VSP conducts outbreak investigations only in cases with 3% or more passengers or crew reported sick with GI symptoms. VSP may also conduct outbreak investigations in cases of unusual GI illness patterns (even if the rate is less than 3%).
VSP conducts outbreak investigations only on vessels visiting ports in the USA or which are within 15 days of arriving at a US port.
When an outbreak occurs, VSP asks for ship logs and infirmary records of reported GI cases (symptoms and timing) and illness distribution (among passengers/crew, during each day of the cruise).
VSP staff usually boards the vessel for epidemiological assessment, interviews, distribution and analysis of illness questionnaires, monitoring cleaning procedures.
Lab investigations - the onboard med staff often collects stool, vomit, blood specimens, which are then sent to land-based labs to confirm the illness cause.

During the onboard illness outbreak, VSP requires the cruise company to activate the "Outbreak Prevention and Response Plan" (vessel's response to illness cases).

During an outbreak:

Cleaning and disinfection frequencies are Increased.
Self-service buffets are stopped.
All infected (pax/crew) are quarantined to their staterooms/cabins
Clinical specimens are collected for analysis.
Daily updates are provided to VSP (cases counts and measures reports)
All passengers and crew are alerted of the illness.
Upon boarding on the next scheduled cruise, passengers are notified about the previous voyage's outbreak.
Occasionally, VSP requires the company to notify port authorities and also to perform cleaning and disinfection in cruise port terminal buildings.

Illness outbreaks on cruise ships (annual statistics)

The following statistics show the number of cruise ship illness outbreaks in recent years. You can compare the number of reports (CDC and news media sources) and the total number of infected (passengers and crew).

In 2014, Time Magazine published the article "The 13 Worst Norovirus Outbreaks on Cruise Ships". In it, the overall winner was Princess Cruises with 5 epidemic illness outbreaks:

Coral Princess (February 2009, infected 271)
Crown Princess (January 2010, infected 396)
Crown Princess (February 2012, infected 363)
Sun Princess (July 2012, infected 216)
Ruby Princess (March 2013, infected 276)

Norovirus outbreaks 2023 reports

Norovirus outbreaks 2022 reports, norovirus outbreaks 2020 reports, outbreaks 2019 reports.

In the following table, you can see all 2019-reported Norovirus outbreaks on cruise ships. The listed statistical data is based on CDC or news media reports. It shows the number of sick passengers and crew (with the respective percentage to all), along with the corresponding CDC report pages (if available) as outgoing links.

Note: When the itinerary doesn't include US cruise ports, the ship is not required to report to CDC, thus no official illness report would be issued.

Outbreaks 2018 reports

In 2018, the number of reported illness outbreaks on cruise ships was 15. The total number of infected was 1177 (of those 1099 passengers and 78 crew).

Outbreaks 2017 reports

In 2017, the number of reported illness outbreaks on cruise ships was 21. The total number of infected was 2535 (of those 2450 passengers and 85 crew).

Outbreaks 2016 reports

In 2016, the number of reported illness outbreaks on cruise ships was 23. The total number of infected was 2504 (of those 2378 passengers and 126 crew).

Outbreaks 2015 reports

In 2015, the number of reported illness outbreaks on cruise ships was 23. The total number of infected was 2570 (of those 2458 passengers and 112 crew).

Outbreaks 2014 reports

In 2014, the number of reported illness outbreaks on cruise ships was 17. The total number of infected was 3559 (of those 3354 passengers and 205 crew).

Outbreaks 2013 reports

In 2013, the number of reported illness outbreaks on cruise ships was 22. The total number of infected was 2385 (of those 2249 passengers and 136 crew).

According to CDC, in 2013 from Norovirus and similar GI (gastrointestinal) illnesses suffered a total of 1409 passengers (which is 7,5% of all passengers on the inspected cruise vessels) and 96 crew/staff members (which is 1,2% of all). With nearly 12 million cruisers departing from USA and Canada ports in 2013, the Norovirus infection rate is ~0,01% of all passengers.
It should be noted, that in the past years on many CDC inspections was concluded the Noro virus illness source was off the ship.

Outbreaks 2012 reports

In 2012, the number of reported illness outbreaks on cruise ships was 34. The total number of infected was 5542 (of those 5079 passengers and 463 crew).

Norovirus on cruise ships

All important things you should know about the "cruise virus".

Why do Norovirus incidents happen on cruise ships? There are more than 21 million US cases reported annually, of which 1 mill related to kids. Outbreaks happen mostly during winter months and mainly in more crowded places with close quarters. Among those are schools, hospitals, nursing homes, dormitories, prisons, big resorts, bigger passenger ships (including cruise ferries ). Norovirus is often branded as "cruise ship virus" simply because on ships health officials are required to report every gastrointestinal illness incident. This means Norovirus outbreaks are reported more quickly on ships than on land. Just for comparison, the virus can afflict as many as 3000 people per day in only one big city, which is about the passenger capacity of a typical modern cruiser.

What is Norovirus infection? It's a very common, highly contagious, ruthlessly efficient and uncomfortably bad virus affecting the stomach and large intestines. Often called "stomach flu" (the med term is "Gastroenteritis") the infection results in massive vomiting and diarrhea. Sickness outbreaks are considered as such if the percentage of infected people is over 3%. The virus is not seasonal and usually not serious (in medical terms). It hits 1 in 5 people annually and is the cause of ~50% of all foodborne illness outbreaks in the USA and for ~90% of all non-bacterial gastroenteritis worldwide.

The virus is named after an outbreak in Norwalk (OH, USA). Numerous studies confirm that a quick application of hand sanitizer doesn't kill the Norovirus. It takes about 30 sec of hard rubbing with hot water and soap (including under the nails) to wash it. This virus also mutates (changing its strains). As to its efficiency - a mere 20 particles are enough to get you.

What causes Norovirus on cruise vessels is mainly contaminated food/water. When it comes to ships, it spreads mostly through physical contact with sick people or handling contaminated objects. This includes sharing food/utensils and poor hygiene (not washing hands after bathroom use). The virus also spreads fecally, so you can catch it into the onboard laundry, or while changing diapers, etc. However, many passengers likely can blame a sick crewmember for the virus. According to a survey based on 170 inspection records on ships that docked in Florida ports in 2012, on 59 cruises violations of the required illness reporting laws were reported. A total of 130 crew had gotten sick on those voyages and didn't report their illness in the required time period.

The symptoms are nausea, vomiting, diarrhea, indigestion, abdominal cramps. Also possible are mild fever and headache. It takes 1-2 days for the symptoms to appear. The illness lasts 1 to 4 days, but some people (especially elderly) may be contagious for up to 2 weeks after recovery.

What is the treatment? What to do if you got it? Obviously, the first thing is to go to the ship's infirmary (medical center) and contact the doctor. You should drink plenty of water as dehydration is a side-effect of the illness. There is no real treatment for Norovirus - you just wait it out. A few years ago an experimental Norovirus vaccine (applied as nasal spray) was developed by the "Center for Infectious Diseases and Vaccinology" (Arizona State University). The new vaccine generates a good immune response.

How to avoid Norovirus on cruise ships?

Wash your hands often (hot water and soap), especially before/after eating and after using the bathroom
Limit physical contacts as much as possible, pack some extra soap, a personal disinfectant (Lysol, Pepto-Bismol), oral rehydration sachets and treatments for diarrhea
Avoid eating uncooked food (including salads and sandwiches) and food that cannot be washed (unless it can be peeled or shelled), drink only bottled liquids (preferably without ice), don't share drinks/utensils.
Drink lots of water.
Compensation for cruise illness. By contract, cruise lines are not required to compensate passengers who fall ill on cruises. However, they will compensate you if the itinerary was altered/canceled due to an illness outbreak. The deal may include up to 50% refund, up to 50% FCC (future cruise booking discount) or an option to cancel for a full refund plus reimbursement of airline change fees. If you have travel insurance, it covers cancellation due to illness. If you've been infected on the ship, it could also cover medical expenses and to compensate you for all days you're not on the ship before the cruise end.

The following "health advisory" list of recommended actions is often issued during gastrointestinal illness outbreak or on embarkation day (of the next scheduled voyage). It has important suggestions on how to avoid spreading the cruise ship virus infection.

It is critical that excellent standards of personal hygiene are maintained by all on board, as well as avoiding touching surfaces, such as handrails, door handles, elevator buttons, walls.
Report any observed evidence of vomiting or diarrhea that you may encounter on the ship.
Ensure that you minimize direct contact with others during this time, such as handshakes, etc.
Avoid touching your mouth.
Wash your hands frequently and thoroughly with soap for at least 20 sec and rinse them well under running water. Ensure that you follow this procedure every time you use the WC, after coughing or sneezing, and before eating, drinking or smoking.
Attempt to always use your own cabin toilet facilities.
In addition to hand washing, also use the alcohol hand gels provided where available, and in particular before eating in the self-serve buffet restaurant and outdoor food outlets.
Should you experience any symptoms of vomiting or diarrhea, return to your cabin and immediately report to the Medical Center or Front Office (Reception, if the infirmary is busy) by dialling 999.

Cruise ship virus procedures

What do they do about it? What actions do lines/operators/CDC actually take in response to a Norovirus cruise outbreak?

An "illness outbreak" is considered when 3% or more of all passengers report symptoms to the ship's med staff. In such cases, the CDC requires cruise lines to file a medical report.

The hotel staff is required to implement special cleaning and disinfection procedures for sanitizing the whole ship. To do that, they use stronger solvents, like Microbac, chlorine bleach, hydrogen peroxide. The Lido Deck's bistro/buffet service switches to manned stations. Often, salt-pepper shakers are taken off the tables. The crew starts offering precautionary tips. Sick passengers and crew are quarantined in their rooms, typically for at least 2 days. When Norovirus outbreaks can't be contained, cruise lines might also pull the ship out of service for a few days for sanitizing.

The CDC's "Vessel Sanitation Program" is for monitoring illness outbreaks on passenger ships carrying 100 or more guests on sailings from 3 to 21 days in length. The ship's medical staff is required by the CDC to maintain illness counts for each itinerary involving a stop at a US cruise port and to give CDC the number of all passengers/crew, plus the number of reported diarrhea cases during that voyage. This is done 24 hrs prior to arrival at any US port of call from a foreign port. And they file such reports even if the "illness number" is zero. This protocol only confirms that the CDC knows everything about it.

Other possible actions and results are red level ("Code Red") cleaning. The boarding/embarkation of new passengers is often delayed to permit more extensive disinfection of public areas and the cabins. Usually, a pre-embarkation health advisory is distributed to all boarding passengers. Additional med staff is sent to the ship in port to assist the disembarkation of infected passengers. Another possibility is the cruise ship to cancel all the itinerary's foreign ports of call and to return to its US home-port before the end of the voyage.

Some cruise lines offer hand-sanitizer dispensers near the ship's restaurants, Lido/pool deck areas and other more crowded public spaces in their effort to keep a lid on sickness outbreaks.

In February 2020, the shipowner cruise company Lindblad Expeditions announced the "Premium Purity" program with a shipwide cleaning system based on ACT CleanCoat technology. The program was rolled out fleetwide after a year trial. The innovative ship cleaning process is based on photocatalytic antibacterial spray that when activated by light kills viruses, bacteria, airborne microbes, mould. The disinfecting product and technology were developed by the Danish company ACT Global AS ( Copenhagen ). The spray is chemical-free, odourless, transparent and can be applied to all surfaces.

Zika virus on cruise ships

Zika virus (aka ZIKV) is a Flavivirus - from the genus of the viruses named West Nile, dengue, tick-borne encephalitis, yellow fever. These plus several other viruses may cause encephalitis (acute brain inflammation). In humans, Zika virus causes the Zika fever which is known to occur only within some equatorial regions. In 2014, Zika spread across the Pacific Ocean to French Polynesia, and soon to Easter Island. In 2015, Zika virus reached Central America, the Caribbean, and South America. In South America were recorded several pandemic outbreaks.

The most severe outbreaks were reported in Brazil, with an alarming surge in newborns with microcephaly. If the mother is infected, the virus may cause microcephaly in newborns. This is a neurodevelopmental disorder - babies are born with an underdeveloped head.

Generally, Zika is a mosquito-borne virus spread by Aedes aegypti (aka "yellow fever mosquito") and Aedes albopictus (aka "Asian tiger mosquito"). However, it became "cruise virus" since the decease can also result from intrauterine (contraceptive device), sexual intercourse, blood transfusion, lab exposure, organ/tissue transplantation, breast milk transmission.

In January 2016, the CDC issued travel guidance on affected countries and suggested using enhanced precautions and even postponing travel. Guidelines (specifically for pregnant women) were issued as well. Similar travel warnings were issued by other health agencies and governments. The CDC list of potentially dangerous for travel countries included (alphabetically) Barbados, Bolivia, Brazil, Cape Verde, Colombia, Ecuador, French Guiana, Guadeloupe, Guatemala, Guyana, Haiti, Honduras, Martinique, Mexico, Panama, Puerto Rico, Paraguay, Salvador, Samoa, St Maarten, Suriname, Venezuela.

Cruise lines should warn their pregnant passengers of the virus. Cruise ships publish daily health and safety instructions to their passengers on how to avoid mosquito bites. Zika symptoms are fever, skin rash, pain in joints, conjunctivitis (pink eye). It typically lasts from a few days to a week. For now, the illness cannot be prevented by drugs or vaccines.

"Cruise ship virus" politics

Virus outbreaks on cruise ships are actually not that uncommon. Such viral/bacterial outbreak incidents affect the vacation experience of thousands of people, being packed up in a floating resort for many days on end. In confined spaces with frequent passenger turnover (like big capacity cruise ships), it is easy for diseases to spread - whether food- or air-borne, or otherwise. However, there's a tendency to cover up the severity of this issue.

Some of the world's most famous passenger ships are listed in the virus outbreak statistics, yet one hears so little of it in mass media news. And there is no surprise in that since the "cruise illness" news are nothing but bad publicity for the companies - which is bad for a prosperous multi-billion dollar sea travel vacation business. All major cruise line companies will do their best to keep quiet about virus outbreaks on their ships. There are passenger testimonials about quarantined ships and how badly guests have been treated by the line. Virus outbreak news speaks of a lack of proper hygiene control, badly trained staff, bad ship management. The whole responsibility goes to the shipowner (cruise line company) and its management.

Major (in some cases epidemic) illness outbreaks are among the "biggies" that can bring down the brand's reputation on the market. Cruise illness issues often result in lower booking rates and cheaper prices - which is bad for the business.

So it comes as no surprise that when CDC reports an illness outbreak on some vessel, big media sources do not immediately (or ever) respond to the news. You may hear about it on your local radio station, or on your local cable operator, but not necessarily on ABC, CNN, and often not even on Yahoo and MSN news online. It's not about the passengers' health (never been) - it's about the big money that rules our world.

So keep your hands clean, keep your mind clear, always hope for the best. Bad, if meant to happen, will happen anyway, and nothing can change it.

Seasickness on cruise ships

Seasickness is physical disorientation as a result of conflicting signals received by the brain from different body senses. Our inner ear senses the ship's irregular motion, which our eyes can't see because the floor and walls are stable. Depending on individual balance, our ability to adjust to motions varies, so not everyone experiences seasickness.

Seasickness is one of the most common "cruise illnesses". Passengers sensitive to nausea or motion sickness should consult their doctors for medical recommendations prior to departure. Drugs (like Dramamine) are effective against seasickness. At the cruise ship's Infirmary, and also at Reception Desk is provided (free of charge) Meclizine. Know that the bigger the vessel the more stable it is. Also, motion in midship-located areas (including staterooms) is highly reduced in comparison to forward and aft areas.

Seasickness manifests in different ways and is always a result of the body's attempt to correct for the conflicting inputs received from its senses. Common symptoms are cold sweat, dizziness, drowsiness, headache, nausea. When such symptoms are noticed, passengers should take precautions to prevent intensifying the disorientation. The harder the symptoms, the longer the recovery.

If seasickness symptoms are accompanied by diarrhea or fever, passengers should immediately seek medical treatment for Norovirus and avoid spreading the illness to others.

How to prevent seasickness on cruise ships (tips)

Passengers prone to motion sickness are more likely to suffer seasickness. The following prevention tips can minimize discomfort, so before the cruise:

choose more sheltered routes (clam waters). Open sea and ocean waters are rough and have larger swells, thus river cruises are among your best choices.
Choose a large liner as larger vessels are more stable and motions are minimized.
Book centralized/midship stateroom and/or middle deck cabin, where motions are less noticeable.
Get a good sleep before the voyage - an energetic, well-rested body adjusts easier to new conditions.

During the cruise tips to divert seasickness symptoms include:

Get involved in onboard activities - this will occupy your mind while the inner ear adjusts to equilibrium changes.
Avoid napping or lying down - when the body is horizontal, the ship's motion is more pronounced.
Avoid eating unknown foods - you don't know how your stomach may react to new food/ingredients. Avoid alcohol and acidic-fatty-spicy foods. Stay well-hydrated by drinking plenty of water.
Walk around to adjust the body's equilibrium to the ship's motion. When on open decks, focus on the horizon to give your eyes and body similar inputs about any tilting or other motion. Depending on the symptoms' severity, it may take several hours.
Often get fresh air, take deep breaths, keep your lungs clear.
Some herbal remedies (in tablets or teas) also can ease the symptoms, including ginger and peppermint. Their efficacy varies by person, and are best used together with other prevention methods.

Search for medical assistance - consult the ship's physician if no actions provide relief.

Cruise ship hospital (medical care)

Cruise vessels are not "hospital ships".

Hospital ships are designated as floating medical facilities (hospitals).

Most hospital ships are navy vessels (operated by military forces) which are specifically built for use in war zones.

Attacking a hospital ship is considered a war crime, but enemy forces have the right to board them for inspections.

As of 2018, hospital ships have Brazil (6), China (5), Russia (6), USA (2), Spain (2), and India-Indonesia-Peru-Vietnam (x1).

The navies of USA, UK, Australia, China, France, Italy, Spain, Argentina, and Japan have some classes of military ships fitted with onboard hospitals.

For passengers with health concerns, medical care on cruise ships is a vital part of their travel planning. Most cruise vessels are equipped with either basic infirmary (a small clinic) or larger hospital where sick or injured passengers are treated and cared for by contractor physicians and nurses on 24-hour duty.

Shipboard hospitals as facilities and equipment vary by cruise line and vessel. Clinic's size usually depends on the ship's capacity (passengers plus crew). Generally, bigger and newer ships offer larger and better-equipped medical facilities and are served by bigger infirmary staff.

The ship's medical personnel are independent contractors. This is for limiting the cruise company's liability. There are no internationally specified regulations governing ship infirmaries and medical staffing. Each company has its own standards provided for its passengers' healthcare.

For finding the Infirmary you can use the ship deck plans . On most vessels, the medical facilities are located midship on a lower deck (for easier access and better stability) and usually among other crew facilities. Every passenger stateroom has the Infirmary's number - posted or by the cabin's phone.

Basic medical care on cruise ships

A cruise ship's medical facility can treat only passengers experiencing minor health issues - seasickness, scrapes, sunburns, etc. More severe medical emergencies can't be handled on the ship and usually require medevacs. Coast guard helicopter teams fly to the ship, hoist the passenger (accompanied by a spouse/relative and a crew nurse) and fly them to the nearest land hospital.

Infirmary's equipment and med supplies provide only emergency response and basic treatments in order to stabilize the passenger until transferred ashore.

In cases of severe emergencies, passengers with life-threatening illnesses or injuries are evacuated off the ship - either by boat (if in or near seaport) or by rescue helicopter dispatched from nearest coast guard or other station. In some cases, nearby ships with better medical facilities may assist.

Both emergency and basic care are available on the ship 24 hours a day. All treatments are paid. Outside regular opening hours fees are higher.

Like inland hospitals, medical treatments at sea are pricey. However, unlike on land, most basic travel insurance policies don't cover medical treatments on cruise ships as they are not from the patient's primary caregiver. Purchasing cruise travel insurance with health coverage (medical clauses) is highly recommended.

Shipboard medical service fees vary and are usually set by medical practitioners. General consultations incur costs similar to home visits. Prescription medications or other treatments cost extra. In most cruise ship hospitals, some supplies and medications are provided to passengers and crew for free - like aspirin, seasickness pills, small bandages.

Mercy Ships

"Mercy Ships" is a charity accredited by Better Business Bureau. It operates hospital ships since 1978 and also has currently the world's largest hospital ship (excluding navy vessels) - MV Africa Mercy.

The organization provides free humanitarian aid worldwide, including health care, community development, and health education projects, mental health, agriculture, and water development programs in mainly developing countries in Africa, Caribbean, South America, Oceania.

The organization's headquarters are in Garden Valley (Texas USA), with another 16 offices worldwide - in UK, Spain, Canada, Germany, France, Denmark, Switzerland, Belgium, Holland, Sweden, Norway, South Africa, Australia, New Zealand, South Korea.

Financial support and supplies are mainly through donations from medical companies (medications, supplies, equipment), corporations (fuel, food, building supplies), governments (port fees, drydock costs), general public and also by the crew (all volunteers on a rotational basis). The crew serves with short-term (2 weeks to 2 years) and long-term (min 2 years) contracts. Volunteer crew members occupy both medical (surgeons, dentists, nurses) and general jobs (deckhands, seamen, engineers, machinists, electricians, teachers, cooks, welders, plumbers, agriculturalists.

The crew on Mercy Ships pay all costs associated with their service - fees, travel expenses, passports, insurance, personal expenses.

As 95 of the world's top 100 largest megapolises are port cities, "hospital ships" could provide healthcare very quickly and more efficiently to large numbers of people.

MV Africa Mercy

MV Africa Mercy is a converted former rail ferry (1980-built as "Dronning Ingrid") drydock-refitted in 2007 at Cammell Laird shipyard (Hebburn, England).

The ship project started in March 1999 with the vessel's acquisition through a donation from Balcraig Foundation (UK), which purchased the boat for US$6,5 million.

Ferry's train deck was reconstructed and converted into a hospital. Project's total cost was over USD 62 million.

Vessel details include:

Volume/GT tonnage 16572 tons
LOA length 152 m (499 ft )
Width 23,7 m (78 ft)
Draft 6 m (20 ft)
Powerplant 4x BW main engines plus diesel generators
Propulsion two shafts with controllable pitch propellers
Speed 19 Kn/35 kph/22 mph
Passenger capacity 484
Crew capacity 450
Fleet of 28 vehicles (used in land-based operations)
Annual drydock maintenance and refurbishment are done in Durban (South Africa).

As for facilities and amenities, the hospital ship has 5 operating rooms, Intensive Care Unit, an ophthalmic unit, CT scanner, X-Ray, labs, recovery ward (82 beds), a daycare center, a school (for all ages), library, launderette, convenience store, restaurant, gymnasium, shops, Starbucks Cafe (donated), satellite communications.

Africa Mercy has a total of 126 staterooms for the staff/crew. They are located on upper decks and include cabins for families, couples and single cabins.

Land-based operations ("Field Service") include mobile clinics providing screening for potential surgery patients, healthcare, dental care, also mental health programs, infrastructure projects.

Facts About Noroviruses on Cruise Ships

Noroviruses.

People often associate cruise ships with acute gastrointestinal illnesses such as norovirus, but acute gastrointestinal illness is relatively infrequent on cruise ships.

From 2006 through 2019, approximately 127 million passengers sailed on 252 cruise ships in the Vessel Sanitation Program’s (VSP) jurisdiction. The rate of AGE illness on cruise ships decreased during 2006-2019 for passengers and crew.

Norovirus is a very contagious virus. You can get norovirus from an infected person, from contaminated food or water, or by touching contaminated surfaces. The virus causes your stomach or intestines or both to get inflamed (acute gastroenteritis). This leads you to have stomach pain, nausea, and diarrhea and to throw up.

Learn more about norovirus

Why are acute gastrointestinal illnesses including noroviruses associated with cruise ships?

Health officials track illness on cruise ships. So outbreaks are found and reported more quickly on a cruise ship than on land.
Close living quarters may increase the amount of group contact.
People joining the ship may bring the virus to other passengers and crew.

For more information about noroviruses on cruise ships, visit our homepage or contact CDC-INFO .

Inspection Reports
About Inspections
Cruise Ship Outbreak Updates
About Noroviruses on Cruise Ships
VSP Operations Manual [PDF – 5 MB]
VSP Construction Guidelines [PDF – 4 MB]
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Exit Notification / Disclaimer Policy

The Centers for Disease Control and Prevention (CDC) cannot attest to the accuracy of a non-federal website.
Linking to a non-federal website does not constitute an endorsement by CDC or any of its employees of the sponsors or the information and products presented on the website.
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A stomach flu outbreak aboard a Celebrity Cruises ship has left 100 people sick

Almost 100 travelers reported being sick following a norovirus outbreak aboard a Celebrity Cruises sailing.
This is the first cruise ship outbreak of 2024, according to the CDC.
Of the 13 norovirus cruise outbreaks in 2023, three were aboard Celebrity's cruises.

New year, same old outbreak: 100 people aboard Celebrity Cruises' recent Celebrity Constellation sailing reported norovirus symptoms, making it the first cruise ship outbreak of 2024, according to the Centers for Disease Control and Prevention.

On January 3, the Celebrity Constellation and its 2,056 guests departed on a nine-night cruise. Unfortunately for these vacationers, seasickness wasn't their only issue. By the end of the cruise on January 12, 100 passengers — 92 guests and eight crew — had reported being sick, the CDC said.

Watch: The rise and fall of the cruise industry

Main content

Nearly 30 Silversea cruise passengers get sick in gastrointestinal illness outbreak

More than two dozen Silversea Cruises passengers got sick in a gastrointestinal illness outbreak.

The Centers for Disease Control and Prevention said 28 of Silver Nova’s 633 guests reported being ill during a voyage that began on March 31, along with one of the vessel’s crew members. Their main symptom was diarrhea.

The health agency listed the causative agent as unknown.

Silversea notified guests and crew of the outbreak via announcements and encouraged them to report cases and practice “good hand hygiene,” the CDC said. The line also isolated those who were sick and implemented heightened cleaning and disinfection measures.

"The health and safety of our guests, crew, and the communities we visit are our top priority," Silversea told USA TODAY in an emailed statement. "To maintain an environment that supports the highest levels of health and safety onboard our ships, we implement rigorous cleaning procedures, many of which far exceed public health guidelines." The cruise began in Peru and is set to end in Fort Lauderdale, Florida, on Tuesday, according to CruiseMapper .

The news comes after about 100 Holland America Line passengers got sick in a norovirus outbreak earlier this year.

Cruise ship medical facilities: What happens if you get sick or injured (or bitten by a monkey)

The CDC logged 14 cruise ship outbreaks that met its threshold for public notification in 2023, more than any year between 2017 and 2019. Norovirus was listed as the causative agent in all but one.

The virus is often associated with cruises, but Ben Lopman, a professor of epidemiology at Emory University’s Rollins School of Public Health, told USA TODAY last year that cruises constitute a "tiny minority of norovirus outbreaks.” Most happen in health care settings like nursing homes.

Nathan Diller is a consumer travel reporter for USA TODAY based in Nashville. You can reach him at [email protected].

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Nearly 30 silverseas cruise passengers fall ill with diarrhea at sea.

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This vacation stinks.

Nearly 30 people aboard a luxury cruise liner known for its phenomenal cuisine have fallen ill thanks to a gastrointestinal outbreak that swept through the ship.

At least 28 of the Silver Nova ship’s 633 guests and one of its crew members reported feeling sick during their 16-day voyage from Peru, the Centers for Disease Control and Prevention said Monday.

The group all reported one main symptom: diarrhea.

The cause of the outbreak — which has impacted roughly 5% of the ship’s passenger population — is still unknown, but the CDC notes that norovirus outbreaks are primarily caused by eating contaminated food or drinking contaminated water.

The Silver Nova is Silversea Cruises’ newest liner and among its most luxurious.

Introduced in 2023, the Silver Nova boasts butler service for every suite, one crew member for every 1.3 guests and “outstanding gastronomy” — it even welcomed “Top Chef’s” Nina Compton to its ranks at the end of last year.

The S.A.L.T. Lab on the Silversea Cruise.

The ship includes multiple kitchens, grills and even an interactive space where guests can cook with Compton.

To quell the spread of the stomach bug, Silversea Cruises reportedly quarantined its impacted passengers and crew member and “increased cleaning and disinfection procedures,” the CDC said.

“The health and safety of our guests, crew, and the communities we visit are our top priority,” a spokesperson for Silversea Cruises told The Post in a statement.

“To maintain an environment that supports the highest levels of health and safety onboard our ships, we implement rigorous cleaning procedures, many of which far exceed public health guidelines.”

The outbreak was reported one day before the “Easter” themed cruise was scheduled to end.

The 11-deck cruise ship started its journey in Callao-Lima, Peru, on March 31 and is set to end on April 16.

Prices for the 16-day excursion started at $11,700 for a double occupancy room, according to CruiseMapper.

The Silversea Cruises outbreak marks the fourth this year — including one that saw 104 become infected aboard a Holland America Line ship and more than 130 people on Cunard Cruise Line’s Queen Victoria struck down by a bout of diarrhea and vomiting in February .

Norovirus was the cause of the three preceding outbreaks.

In 2023, the CDC logged a jaw-dropping 14 cruise ship outbreaks.

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It List 2024 Overview: It List 2024
The 100 Best New Hotels of the Year
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It List 2024 The 100 Best New Hotels of the Year The Best New U.S. Resorts of 2023 The Best New Affordable Luxury Hotels of 2023 The Best New International Resorts of 2023 The Best New Cruise Ships of 2023 The Best New City Hotels of 2023 The Most Luxurious New Hotels of 2023 CLOSE Part of It List 2024

Travel + Leisure’s 2024 It List.

Since 1971, Travel + Leisure editors have followed one mission: to inform, inspire, and guide travelers to have deeper, more meaningful experiences. T+L's editors have traveled to countries all over the world, having flown, sailed, road tripped, and taken the train countless miles. They've visited small towns and big cities, hidden gems and popular destinations, beaches and mountains, and everything in between. With a breadth of knowledge about destinations around the globe, air travel, cruises, hotels, food and drinks, outdoor adventure, and more, they are able to take their real-world experience and provide readers with tried-and-tested trip ideas, in-depth intel, and inspiration at every point of a journey.

Elizabeth Rhodes/Travel + Leisure

For the first time, we’re spotlighting new cruise ships on Travel + Leisure ’s It List, as these exceptional vessels become more and more like floating resorts — celebrity chefs, crystal chandeliers, and Rolex boutiques included.

Explora Journeys’ Explora I

Paul Brady/Travel + Leisure

It’s not every day a new cruise line arrives. The debut of the remarkable Explora I was a moment years in the making for Explora Journeys , the upstart luxury operator that aims to bring a European sensibility to the world of vacations at sea. So far, the project is a smashing success, thanks to the ship’s low-key vibe, standout food and beverage, and intriguing itineraries that visit in-demand ports in Northern Europe, the Mediterranean, and the Caribbean. My own August 2023 trip on Explora I , from Copenhagen to Hamburg, Germany, included fulfilling visits to places such as Oslo and the town of Stavanger, Norway, a gateway to adventurous hiking with a postcard-perfect Old Town. The ship itself was also a destination, with its abundance of outdoor space — including an alfresco fitness center — and pools at seemingly every turn. The 461 suites, all of them with balconies, are filled with luxurious touches such as Frette linens and robes, heated marble floors, and Dyson hair dryers. But Explora I truly shines when it comes to food: During the week I was aboard, it was impossible to find a bad meal — and I was often astonished at the quality of, in particular, the pasta served in the Emporium Marketplace and the sushi on offer at Sakura, two of the nine restaurants aboard. The most ambitious of them all is Anthology, a rotating-chef concept that has seen a residency from seafood whiz Mario Ulaissi, known for his Michelin three-starred restaurant on Italy's Adriatic coast, and that recently welcomed Emma Bengtsson, from Aquavit , in New York City. Much has been made of Explora I ’s Rolex boutique — the first on any cruise ship — but for my money, the other shops on board were more interesting: The company has tapped family-owned businesses around the world to create capsule collections of resort wear, handbags, fragrances, sunglasses, and beautiful gifts that can’t be found elsewhere. From $2,050 per person for a six-day sailing. Accessible ship. — Paul Brady

Oceania Cruises’ Vista

Nick Tortajada/Courtesy of Oceania Cruises

The new Oceania Vista is in a class of its own; no really, it’s the first in Oceania Cruises ’ new Allura class. Of its 11 bars and restaurants, three are entirely new to the Norwegian Cruise Line Holdings–owned brand — including a high-end cocktail spot called Founders’ Bar, serving 26 intricate drinks that use house-made syrups and top-shelf booze like Whistle Pig and parsley-infused Grey Goose. As Oceania levels up, the cruise line has produced a ship that feels more like a floating resort than the vessels that came before. There’s pickleball; a health-conscious restaurant, Aquamar, serving made-to-order salads and pressed juices; and a coffee shop that looks like one in walking distance of my home in L.A. (marble counters, gold accents, leather bar stools) and pulls an espresso shot of similar quality. Vista has more suites than others in the Oceania fleet, too: There are 14 Oceania Suites (up to 1,200 square feet); eight Vista Suites (up to 1,850 square feet); and three Owner’s Suites with Ralph Lauren Home decor and two massive terraces (2,400 square feet). But the most hotel-like touch? A celebrity chef–driven restaurant, Toscana, where Giada De Laurentiis — the ship’s godmother — supplied two recipes for the menu. As someone who watched a lot of Everyday Italian in the early aughts, I was particularly excited to try her signature, Capri-inspired lemon spaghetti, and lemon-cream sauce with grilled shrimp and capers didn’t disappoint. From $2,499 per person for a seven-night sailing. Accessible ship. — Maya Kachroo-Levine

Regent Seven Seas Cruises’ Seven Seas Grandeur

Courtesy of Regent Seven Seas Cruises

Regent Seven Seas Cruises’ sixth ship, the Seven Seas Grandeur , sailed its inaugural season in December, joining sibling ships Seven Seas Explorer and Seven Seas Splendor as the newest member of the luxury fleet. The cruise line is a favorite among T+L readers for its gorgeous ships and all-inclusive pricing that covers unlimited shore excursions, dining at specialty restaurants, and even round-trip airfare. Grandeur lives up to its name thanks to stunning, art-filled spaces designed by cruise ship interior experts Studio Dado: signature restaurant Compass Rose is enchanting with interiors inspired by a fairy-tale forest; the Observation Lounge sparkles with an undulating chandelier and swanky bar; and the $11,000-per-night Regent Suite has a private en suite spa and custom Treesse mini pool. As I boarded Grandeur for the ship’s inaugural sailing, I was mesmerized by the grand staircase and glittering chandelier. And with a maximum capacity of 744 guests, I found it easy to take time to myself in the myriad of quiet spots tucked throughout the ship, whether in the Serene Spa and Wellness area, in the Library, or on the Sports Deck overlooking the ocean. Seven restaurants include specialty steakhouse Prime 7, pan-Asian restaurant Pacific Rim, and breakfast and lunch buffet La Veranda, which refines the cruise buffet experience with daily specials like paella and sushi. Several bars and lounges, a pool and hot tubs, a casino, Broadway-style productions, and cooking classes at the Culinary Arts Kitchen make the ship a destination in itself, though guests will want to take advantage of those included excursions on Caribbean, Central American, North American, and European itineraries, ranging from seven to 16 nights, during the ship’s 2024 season. From $4,669 per person for a seven-night sailing. Accessible ship. — Elizabeth Rhodes

Silversea’s Silver Nova

Courtesy of Silversea Cruises

Carrying 728 passengers, Silver Nova is big for the luxury sector, but boasts a hugely important metric: a capacious passenger space ratio — that is, the number of guests relative to the size of the ship. Simply put, this ship offers more elbow room per passenger than almost any other cruise vessel. Silver Nova is wrapped in glass, with an asymmetrical layout; the funnel is positioned off-center, so is the pool, offering an expansive, uncluttered pool deck. Many features of the brand-new ship recall previous Silversea successes, my favorite of which is the S.A.L.T. (Sea And Land Taste) program, expanded for Silver Nova . S.A.L.T. perks include a gorgeous, sea-facing lab for hands-on culinary lessons (at no additional cost), plus a new concept, the Chef’s Table, where an 11-course menu is prepared for just 24 diners. All facets of the S.A.L.T. ecosystem, including ingredients, a bar, lectures, and shore excursions, are keyed to the region Nova is sailing. While food is a drawing card for Silver Nova , accommodations also received a revamp. Tied to the theme of bringing the outside in, there are brilliant new suites found in the aft starboard corner of the ship, with wraparound balconies revealing a 270-degree view. This is where you can tuck me in when I win the lottery and head off on a world cruise. But until then, Silver Nova will summer in Alaska and spend northern hemisphere winters in Australia and New Zealand, places where top-deck views should prove ceaselessly rewarding. From $3,250 per person for a seven-night sailing. Accessible ship. — David Swanson

It List 2024

CDC Reveals Outbreak on Cruise Ship From ‘Unknown’ Illness

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The U.S. Centers for Disease Control and Prevention (CDC) reported that more than two dozen people on board a cruise ship fell ill due to a gastrointestinal outbreak.

The predominant symptom was diarrhea, the agency reported. Other details were not provided about what may have caused it.

The CDC has previously noted that norovirus can spread quickly on cruise lines, and multiple norovirus outbreaks on cruise ships have been reported over the years to the agency.

Silversea Cruises, which is described as a luxury line, quarantined the impacted passengers and one crew member, according to the CDC. It also “increased cleaning and disinfection procedures,” the agency said.

Internal Emails Show CDC Hid Possible Vaccine Link to Hearing Problems | Facts Matter

It also “made announcements to notify onboard passengers and crew of the outbreak, encourage case reporting, and encourage good hand hygiene,” the CDC said. The CDC is now “remotely monitoring the situation, including reviewing the ship’s outbreak response and sanitation procedures.”

“To maintain an environment that supports the highest levels of health and safety onboard our ships, we implement rigorous cleaning procedures, many of which far exceed public health guidelines,” the spokesperson added. No other details were provided by the firm.

The Silversea incident marks the fourth such outbreak in 2024, according to CDC data.

In a normal year, according to the CDC, norovirus causes between 19 million and 21 million cases of vomiting and diarrhea, 109,000 hospitalizations, and 900 deaths across the United States. The virus also is associated with about 495,000 emergency department visits, mostly in younger children, the CDC says.

If there is a new strain of the virus, the CDC says, there can be upward of 50 percent more norovirus illnesses in a given year.

The CDC’s webpage for norovirus says the virus is very contagious and generally causes vomiting and diarrhea. “Anyone can get infected and sick with norovirus. Norovirus is sometimes called the ’stomach flu‘ or ’stomach bug,’” the agency says. “However, norovirus illness is not related to the flu.”

“These outbreaks often get media attention, which is why some people call norovirus the ‘cruise ship virus,’” the CDC says. “However, norovirus outbreaks on cruise ships account for only a small percentage ... of all reported norovirus outbreaks. Norovirus can be especially challenging to control on cruise ships because of the close living quarters, shared dining areas, and rapid turnover of passengers.”

“Currently, norovirus outbreak activity in the United States is within the range we would expect for this time of year and is within the range reported during the same time periods in previous years,” a spokesperson for CDC told NBC’s “Today” show on Thursday.

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Cruising the Moskva River: A short guide to boat trips in Russia’s capital

There’s hardly a better way to absorb Moscow’s atmosphere than on a ship sailing up and down the Moskva River. While complicated ticketing, loud music and chilling winds might dampen the anticipated fun, this checklist will help you to enjoy the scenic views and not fall into common tourist traps.

How to find the right boat?

There are plenty of boats and selecting the right one might be challenging. The size of the boat should be your main criteria.

Plenty of small boats cruise the Moskva River, and the most vivid one is this yellow Lay’s-branded boat. Everyone who has ever visited Moscow probably has seen it.

This option might leave a passenger disembarking partially deaf as the merciless Russian pop music blasts onboard. A free spirit, however, will find partying on such a vessel to be an unforgettable and authentic experience that’s almost a metaphor for life in modern Russia: too loud, and sometimes too welcoming. Tickets start at $13 (800 rubles) per person.

Bigger boats offer smoother sailing and tend to attract foreign visitors because of their distinct Soviet aura. Indeed, many of the older vessels must have seen better days. They are still afloat, however, and getting aboard is a unique ‘cultural’ experience. Sometimes the crew might offer lunch or dinner to passengers, but this option must be purchased with the ticket. Here is one such option offering dinner for $24 (1,490 rubles).

If you want to travel in style, consider Flotilla Radisson. These large, modern vessels are quite posh, with a cozy restaurant and an attentive crew at your service. Even though the selection of wines and food is modest, these vessels are still much better than other boats.

Surprisingly, the luxurious boats are priced rather modestly, and a single ticket goes for $17-$32 (1,100-2,000 rubles); also expect a reasonable restaurant bill on top.

How to buy tickets?

Women holding photos of ships promise huge discounts to “the young and beautiful,” and give personal invitations for river tours. They sound and look nice, but there’s a small catch: their ticket prices are usually more than those purchased online.

“We bought tickets from street hawkers for 900 rubles each, only to later discover that the other passengers bought their tickets twice as cheap!” wrote (in Russian) a disappointed Rostislav on a travel company website.

Nevertheless, buying from street hawkers has one considerable advantage: they personally escort you to the vessel so that you don’t waste time looking for the boat on your own.

Prices start at $13 (800 rubles) for one ride, and for an additional $6.5 (400 rubles) you can purchase an unlimited number of tours on the same boat on any given day.

Flotilla Radisson has official ticket offices at Gorky Park and Hotel Ukraine, but they’re often sold out.

Buying online is an option that might save some cash. Websites such as this offer considerable discounts for tickets sold online. On a busy Friday night an online purchase might be the only chance to get a ticket on a Flotilla Radisson boat.

This website (in Russian) offers multiple options for short river cruises in and around the city center, including offbeat options such as ‘disco cruises’ and ‘children cruises.’ This other website sells tickets online, but doesn’t have an English version. The interface is intuitive, however.

Buying tickets online has its bad points, however. The most common is confusing which pier you should go to and missing your river tour.

“I once bought tickets online to save with the discount that the website offered,” said Igor Shvarkin from Moscow. “The pier was initially marked as ‘Park Kultury,’ but when I arrived it wasn’t easy to find my boat because there were too many there. My guests had to walk a considerable distance before I finally found the vessel that accepted my tickets purchased online,” said the man.

There are two main boarding piers in the city center: Hotel Ukraine and Park Kultury . Always take note of your particular berth when buying tickets online.

Where to sit onboard?

Even on a warm day, the headwind might be chilly for passengers on deck. Make sure you have warm clothes, or that the crew has blankets ready upon request.

The glass-encased hold makes the tour much more comfortable, but not at the expense of having an enjoyable experience.

Getting off the boat requires preparation as well. Ideally, you should be able to disembark on any pier along the way. In reality, passengers never know where the boat’s captain will make the next stop. Street hawkers often tell passengers in advance where they’ll be able to disembark. If you buy tickets online then you’ll have to research it yourself.

There’s a chance that the captain won’t make any stops at all and will take you back to where the tour began, which is the case with Flotilla Radisson. The safest option is to automatically expect that you’ll return to the pier where you started.

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Suri Cruise chats with friends in NYC days before her 18th birthday

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Suri Cruise was all smiles while out and about in New York City with friends ahead of her 18th birthday.

Crusie looked the spitting image of mom Katie Holmes while spending Sunday alongside a gaggle of her girlfriends in Soho.

The teenager, whose birthday is April 18, dressed casually cool in a red sweater with white vertical stripes, a white silk skirt and brown sandals.

She kept her dark brown hair down in loose waves, pinning her front pieces back with two hair clips.

The group seemingly stopped at a couple of shops and cafes as they embraced one of NYC’s first sunny spring days.

While it’s unclear how the teen will be spending her big birthday, it likely won’t be with her famous father, Tom Cruise.

Page Six revealed last year that Suri has been estranged from the “Mission Impossible” star for years.

While a source told us at the time that Tom has played “no part” in his daughter’s life, another Hollywood insider told us this week that the father-daughter duo haven’t seen each other since 2012.

“Katie has safeguarded Suri and she’s a devoted mom,” the source said. “This is a girl who is a private citizen. She hasn’t lived her life in public.”

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Want celebrity news as it breaks? Hooked on Housewives?

Suri has lived a low-key lifestyle with her mother in New York ever since the “Dawson’s Creek” alum filed for divorce from Tom in 2012 — allegedly due to his involvement with Scientology.

Despite being raised in the public eye — even appearing on Vanity Fair as an infant — Holmes has since shielded her daughter from the spotlight.

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“I’m very grateful to be a parent, to be her parent. She’s an incredible person. She’s my heart,” Holmes told Glamour magazine in 2023.

The mother of one explained that feels the need to “protect” Suri from the limelight “because she was so visible at a young age.”

Suri Cruise with her mom Katie Holmes and dad Tom Cruise.

Although the teen has distanced herself from her dad, she is seemingly getting into the family business.

Page Six revealed in December 2023 that Suri inherited her parents’ acting chops, starring as the lead in her high school play.

“She was amazing,” one impressed audience member said of her portrayal of Morticia Addams in “The Addams Family: A New Musical.”

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IMAGES

Nororvirus on Cruise Ships
Cruise Ship Norovirus: Statistics & How to Avoid Sickness (2023)
Cruise Ship Norovirus
What is Cruise Ship Norovirus? How to avoid it?
Norovirus Outbreaks On US Cruise Ships Triples In 2023 As The Sector
Norovirus cruise ship outbreaks on the rise

COMMENTS

After years of decline, norovirus outbreaks surge on cruise ships
According to data from the CDC's Vessel Sanitation Program, the number of norovirus outbreaks on cruise ships docking at U.S. ports had years of steady decline after 2015.Overall rates of acute ...
The Cruise Ships With the Best and Worst Sanitation Scores in 2023
The Centers for Disease Control and Prevention has reported 13 norovirus outbreaks on cruise ships so far in 2023. The last time the industry's yearly gastrointestinal illness outbreak total was ...
Norovirus Cases On Cruise Ships Skyrocket: Here's Why—And ...
Almost 2,000 people have been infected with norovirus on cruise ships this year, meaning there are more norovirus cases at sea halfway through 2023 than there were in 2022.
Norovirus Cruise Ship Outbreaks Already Reach 10-Year High In 2023
Getty Images. Talk about being ship out of luck. There have already been an unlucky 13 recorded norovirus outbreaks on cruise ships under U.S. jurisdiction so far in 2023. That's the highest ...
Cruise Ship Outbreak Updates
Outbreak Updates for International Cruise Ships. The Vessel Sanitation Program (VSP) requires cruise ships to log and report the number of passengers and crew who say they have symptoms of gastrointestinal illness. Learn more about illnesses and outbreaks reported to VSP and find information about outbreaks of gastrointestinal illness on cruise ...
Norovirus outbreaks surging on cruise ships this year
By Emily Mae Czachor. July 12, 2023 / 10:33 AM EDT / CBS News. Norovirus outbreaks spiked on cruise ships this year, with data showing more outbreaks happened between January and June than over ...
Norovirus Outbreaks Surge on Cruises: Here's How to Avoid the Bug
In 2023, a decade-high number of cruise ships have reported an unwelcome passenger on board: norovirus. Outbreaks of the stomach bug have surged on cruise ships this year, reaching the highest ...
How to Avoid Getting Norovirus on Cruise Ships
There have currently been 13 norovirus outbreaks on cruise ships in 2023. The most recent outbreak occurred on a Viking Cruises ship, which traveled from Iceland and docked in New York City. About ...
Norovirus Is Rising on Cruise Ships: How to Stay Safe
Published July 20, 2023 Just as travel has begun to bounce back after the pandemic, ... Holland America and P&O Cruises. The worst year for norovirus was 2006, when 32 ships reported infections, according to the CDC. Cruise experts say several factors may be contributing to the rise in cases. For one, cruising has soared this year, with the ...
Surge at Sea: Alarming Increase of Norovirus Outbreaks on Cruise Ships
This alarming number marks the highest incidence of such outbreaks since 2012 when there were 16 across eight lines over the entire year. In light of these recent developments, it's imperative to explore and understand the nature of Norovirus — what it is, why it's a recurring issue aboard cruise ships, and its impact on the cruise industry.
Norovirus cases are up on cruises. Should you worry?
The public health agency said the causative agent was norovirus, as was the case in all other 2023 outbreaks. But while norovirus is often associated with cruise ships, Ben Lopman, a professor of ...
Cruise lines battle norovirus outbreaks, affecting crews, hundreds of
By Monica Galarza and Marissa Bagg • Published July 13, 2023 ... It's the most number of reported norovirus outbreaks on cruise ships since 2012. In all, about 1,700 people reported being sick ...
CDC Reports 14th Cruise Ship Norovirus Outbreak of 2023
October 16, 2023. 2shares. A cruise ship norovirus outbreak was reported on Virgin Voyages' Scarlet Lady during its October 8 sailing, according to the Centers for Disease Control and Prevention ...
Cruise lines have reported 13 outbreaks of norovirus through June
Cruise lines are reporting that the frequency of norovirus outbreaks has reached its highest point in a decade. In the first half of 2023, 13 outbreaks were confirmed by the Centers for Disease Control and Prevention, the Miami Herald reports. That's the most since 2012 when there were 16 confirmed outbreaks.
Norovirus outbreaks on cruise ships in 2024
You can compare the number of reports (CDC and news media sources) and the total number of infected (passengers and crew). Year/Number of reported cruise ship outbreaks. Total infected (passengers/crew) 2020 - 5 reports. 1890 (1669 pax + 232 crew) Norovirus - 790 (708 pax + 82 crew) COVID - 1018 (868 pax + 150 crew)
Facts About Noroviruses on Cruise Ships
The rate of AGE illness on cruise ships decreased during 2006-2019 for passengers and crew. Norovirus is a very contagious virus. You can get norovirus from an infected person, from contaminated food or water, or by touching contaminated surfaces. The virus causes your stomach or intestines or both to get inflamed (acute gastroenteritis).
177 Sickened With Norovirus on the Celebrity Summit Cruise Ship
Jun 5, 2023, 6:42 PM PDT. A Celebrity Summit cruise ship is docked in Portland Harbor on Tuesday, June 25, 2019, Shawn Patrick Ouellette/Getty Images. Nearly 200 people were sickened with ...
Celebrity Cruises' Constellation Norovirus Outbreak
Of the 13 norovirus cruise ship outbreaks in 2023, three were aboard Celebrity's ships. This is the first incident of 2024. A vertical stack of three evenly spaced horizontal lines. A magnifying ...
Nearly 30 Silversea cruise guests sick in gastrointestinal outbreak
The CDC logged 14 cruise ship outbreaks that met its threshold for public notification in 2023, more than any year between 2017 and 2019. Norovirus was listed as the causative agent in all but one.
Nearly 30 Silverseas cruise passengers fall ill with diarrhea at sea
The Silver Nova is Silversea Cruises' newest liner and among its most luxurious. Introduced in 2023, the Silver Nova boasts butler service for every suite, one crew member for every 1.3 guests ...
The Best New Cruise Ships of 2023
Grandeur lives up to its name thanks to stunning, art-filled spaces designed by cruise ship interior experts Studio Dado: signature restaurant Compass Rose is enchanting with interiors inspired by ...
CDC Reveals Outbreak on Cruise Ship From 'Unknown' Illness
The agency reported 14 illness outbreaks on cruise ships in 2023, with norovirus being listed as the causative agent in all but one of the incidents. In a normal year, according to the CDC ...
What doctors wish patients knew about the contagious norovirus
Often wrongly called the "stomach flu," norovirus sickens tens of millions of Americans annually. Two physicians explain how to prevent and treat it. ... What doctors wish patients knew about the contagious norovirus. Apr 13, 2023. ... "We hear about it on cruise ships because you've got these packed environments, but cruise ships only ...
Ready for Norovirus 2024? The stomach bug is on the rise again
During Aug. 1, 2023 to April 9, 2024, there were 1,208 norovirus outbreaks reported by the 15 states participating in the CDC's. NoroSTAT surveillance program. During the same period the last ...
Cruise Etiquette: How to Avoid Getting Sick on a Cruise
Hand washing and sanitizing is particularly effective, the CDC notes, in preventing norovirus, which causes a gastrointestinal illness characterized by vomiting, stomach cramps, and diarrhea. CLIA ...
Cruising the Moskva River: A short guide to boat trips in Russia's
Surprisingly, the luxurious boats are priced rather modestly, and a single ticket goes for $17-$32 (1,100-2,000 rubles); also expect a reasonable restaurant bill on top.
The best river cruises and excursions in Moscow
Navigation is completed in 2023; 1100 ₽ Learn more Radisson ERWIN River cruise in Moscow 2,5 hours. The project of the restaurateur Alexander Rappoport Seafood art on board The best views of the capital from the water in winter and summer ... Moscow river boat cruises — an unforgettable experience with Moskvatrip.
Moskva River Cruise
Duration varies between 2.5-3 h and depends on river traffic and ice cover. Dinner Menu. The price of the Moskva River Cruise: 2800 Rub. Free admission to children under 5 years old. The price includes: - Entry tickets. - Lunch/Dinner according to the menu. The price does not include: - Audio guide (English, Chinese)
Renovated river stations and exciting routes: all about 2023 navigation
As an alternative, one can take a cruise to visit Yaroslavl, Nizhny Novgorod, Suzdal, and Ryazan, with electric boats to go along the Moscow River soon. News Renovated river stations and exciting routes: all about 2023 navigation season. ... 2023 to be as popular as the Northern Station. Restorers have recreated its unique architecture ...
Suri Cruise chats with friends in NYC days before 18th birthday
Fernando Ramales / BACKGRID. Suri Cruise was all smiles while out and about in New York City with friends ahead of her 18th birthday. Crusie looked the spitting image of mom Katie Holmes while ...

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Cruise lines battle norovirus outbreaks, affecting crews, hundreds of passengers. Here's what to know

By Monica Galarza and Marissa Bagg • Published July 13, 2023 • Updated on July 13, 2023 at 6:49 pm

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CDC Reports 14th Cruise Ship Norovirus Outbreak of 2023

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Cruise lines have reported 13 outbreaks of norovirus through June

It's the most norovirus outbreaks over the first six months of a year since 2012. The reports come from ships under Carnival and Royal Caribbean brands, according to the CDC.

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