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Norovirus Sickens Nearly 100 Aboard Cruise Ship: What You Need To Know

The Centers for Disease Control and Prevention reported 98 cases of norovirus on the cruise, affecting about 3.9% of passengers and crew during the 13-day voyage.

  • In a Tuesday press release, the CDC confirmed 94 passengers and four crew reported illness aboard the Serenade of the Seas during its 13-day voyage from San Diego to Miami.
  • First signs of illness were reported around September 28, and the outbreak was reported to the CDC’s Vessel Sanitation Program on Sunday; norovirus spreads rapidly in closed environments like cruise ships.
  • Serenade of the Seas crew isolated sick passengers, intensified disinfection and collected stool specimens for laboratory testing, while passengers reported symptoms of vomiting and diarrhea lasting 36 to 48 hours.
  • The ship docked at PortMiami just before 6 a.m. on Thursday, and crew spent the morning sanitizing the vessel before its planned Panama departure later Thursday.
  • Norovirus causes roughly 19 to 21 million US cases annually and can persist on surfaces, requiring fewer than 100 viral particles to infect, with no vaccine and hand hygiene as primary prevention.
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Center

Many were on board the Serenade of the Seas cruiser from Royal Caribbean to enjoy a well-deserved holiday... and these have become a nightmare of contagion. It seems to be taken out of a movie where that moment of very particular crisis jumps. It is what is happening to the passengers of this megacruise. At least 100 people have already fallen. They have spread the norovirus.wf_cms.rss.read_more

·Barcelona, Spain
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Center

The Serenade of the Seas cruiser, from Royal Caribbean, in which nearly 100 people were traveling infected by an outbreak of norovirus, which causes acute gastroenteritis, docked on Thursday at the PortMiami cruise port in the city of Miami (Florida). Until Wednesday, 94 of the 1,874 passengers and 4 of the 883 crew members declared gastrointestinal symptoms, including diarrhea and vomiting, during a trip departing from San Diego (California) on…

·Madrid, Spain
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Telemundo Miami (51) broke the news in on Thursday, October 2, 2025.
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