How likely is it to get sick on a cruise?

One of the biggest misconceptions about cruise ships is that they're germ incubators—that you can't escape. But the likelihood of catching a stomach bug on a seven-day voyage is less than 1 percent—which is about a third the risk of getting infected in your day-to-day life back home, says Dr.



Statistically, the likelihood of getting seriously sick on a cruise in 2026 is quite low, but the "closed environment" makes it a focal point for common viral outbreaks. The most frequent culprit is Norovirus (the stomach flu), which can spread quickly through high-touch surfaces like buffet tongs and elevator buttons. According to CDC data, while these outbreaks make headlines, they actually affect less than 1% of all cruise passengers annually. To mitigate this, modern ships have moved toward "staff-served" buffets and have installed hundreds of touchless hand-sanitizing stations. Another common "sickness" is seasickness (motion sickness), which affects about 10–25% of passengers to varying degrees, though modern stabilizers make this much less common than in the past. Peer-to-peer advice for 2026: the best defense is simply washing your hands with soap and water (which is more effective than sanitizer against Norovirus) and staying hydrated. If you do fall ill, every major ship has a medical center capable of handling everything from minor infections to stabilizing critical patients for evacuation.

People Also Ask

Cruises are exciting! Seasickness though is not. If you get motion sick while in a car or plane, odds are you're likely to get sick on a cruise ship as well. However, that doesn't mean you have to stay home.

MORE DETAILS

Respiratory Illnesses. Respiratory illnesses are the most common medical complaint on cruise ships.

MORE DETAILS

Environments Where Norovirus Spreads Quickly “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.

MORE DETAILS

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.

MORE DETAILS

Mal de debarquement syndrome (or Syndrome du mal de débarquement, MdDS, or common name disembarkment syndrome) is a neurological condition usually occurring after a cruise, aircraft flight, or other sustained motion event. The phrase mal de débarquement is French and translates to illness of disembarkment.

MORE DETAILS

“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.

MORE DETAILS

Don't let the worry of seasickness stop you from booking a cruise. Many travelers have gone on dozens of voyages and never had an issue. Even if you do experience motion sickness on board, there are plenty of methods to stop that funny feeling in its tracks.

MORE DETAILS

To minimize the risk of seasickness, book one of the world's largest ships, such as Royal Caribbean's Wonder of the Seas. Keep in mind that the ocean is much larger than even the most gargantuan ships, so when the seas are rough, you can still feel movement — just less than if you're sailing on a 100-person yacht.

MORE DETAILS

Cabins at the Front of the Ship This is because the front of the ship is more exposed to the movement of the water as they plough through the rough seas. If you're prone to seasickness, it's best to avoid cabins at the front of the ship.

MORE DETAILS

When you get back on shore, you need time to get your land legs back. That usually happens within a few minutes or hours, but it can take up to 2 days. With mal de debarquement syndrome, though, you can't shake the feeling that you're still on the boat.

MORE DETAILS

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

MORE DETAILS

If you've ever spent some time at sea, you may have noticed that you felt a little wobbly once you were back on land. This wobbliness is “mal de debarquement.” This condition makes people feel like they're still standing on the deck of a ship despite the fact that they're safely ashore.

MORE DETAILS

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.

MORE DETAILS

More than 300 sickened on Ruby Princess cruise ship, CDC says. Hundreds of passengers and crew members fell ill while on board a Princess Cruises ship, the Centers for Disease Control and Prevention said. In total, 284 of 2,881 passengers on the Ruby Princess reported being sick during the voyage between Feb.

MORE DETAILS

How likely are you to get gastro on a cruise ship? CLIA claims that incidents of norovirus are actually quite rare on cruise ships. In the USA, the risk of getting norovirus each year is about 1 in 15; a cruise passenger has about a 1 in 5,500 risk of getting laboratory-confirmed norovirus during a shipboard outbreak.

MORE DETAILS

Mechanical stimulation of the mastoid and diverting attention to pleasant stimuli-like odors or music have been found to ameliorate VIMS. Chewing gum combines both in an easy-to-administer fashion and should thus be an effective countermeasure against VIMS.

MORE DETAILS