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.

However, norovirus outbreaks on cruises comprise only 1% of all those reported. Winslow said that other settings where the virus is likely to spread include universities, nursing homes and “even ...

Four norovirus outbreaks, involving a total of 449 passengers and crew members, have happened aboard Royal Caribbean ships this year, the most of any individual cruise company, according to CDC data.

By mid-May 2025, the CDC’s Vessel Sanitation Program (VSP)—responsible for the health of ship travelers—had already recorded 12 confirmed norovirus outbreaks on cruise ships.

Norovirus outbreaks on cruise ships are spiking in 2025, with 16 reported incidents so far, nearly as many as all of last year.

Princess Cruises' Coral Princess is back in Los Angeles on Sunday morning after dozens of its passengers and crew fell ill with Norovirus during its month-long journey from Singapore. The outbreak ...

The cruise illnesses come as overall cases of norovirus have increased in the United States. According to the CDC, outbreaks are possible anytime but are most common from November to April ...

While the virus has garnered the nickname “cruise ship virus,” in reality, norovirus outbreaks on cruise ships account for only 1% of all reported norovirus outbreaks, the CDC says.

Norovirus cases are up on cruises, but that doesn't necessarily mean travelers should panic. The Centers for Disease Control and Prevention has logged 13 outbreaks on cruise ships that met its ...

More than 200 cruise ship passengers were infected with norovirus on a transatlantic voyage that is currently still at sea. Diarrhea and vomiting were the primary symptoms reported.

“I look at a cruise ship as really kind of a perfect storm for a number of environmental factors,” Winslow said. However, norovirus outbreaks on cruises comprise only 1% of all those reported.

A Princess Cruises ship is completing a month-long journey from Asia on Sunday after dozens of passengers and crew fell ill with Norovirus.