Norovirus Hits Caribbean Princess from Fort Lauderdale

A cruise ship outbreak sounds dramatic because it is — but the basic story is simple. Norovirus spread aboard Caribbean Princess during a 13-day sailing that left Fort Lauderdale on April 28 and is set to end on May 11. By May 7, the case count had crossed the CDC’s reporting threshold, which is why the outbreak became public. The bigger reason this matters is timing: Princess already had another norovirus outbreak on a Fort Lauderdale-linked ship in March. ### What happened on this sailing? Caribbean Princess was on voyage B612, a Caribbean itinerary running from April 28, 2026, to May 11, 2026. The CDC’s Vessel Sanitation Program logged 102 sick passengers out of 3,116 onboard and 13 sick crew out of 1,131. The main symptoms were diarrhea and vomiting, and the listed cause was norovirus. (cdc.gov) ### Why did the CDC post it? Cruise ships that call on U.S. ports have to report acute gastroenteritis cases once they pass a set threshold. On this voyage, passenger illness reached 3.3%, which is above that line. That does not mean everyone was sick at once — the CDC notes these are cumulative cases over the whole voyage, not a snapshot of the ship at one moment. (cdc.gov) ### Why is norovirus such a cruise problem? Because norovirus is built for exactly this kind of environment. It spreads fast in close quarters, survives on surfaces, and can move through shared dining areas, bathrooms, and hand-contact points before people even realize what is happening. A cruise ship is basically a small city with buffets, railings, elevators, and a lot of repeated contact. (cdc.gov) ### What did Princess do onboard? The ship and cruise line told the CDC they stepped up cleaning and disinfection, collected stool samples for testing, isolated sick passengers and crew, and checked in with the Vessel Sanitation Program on sanitation and reporting steps. The CDC also said it is doing a field response, which includes an environmental assessment and outbreak investigation to help control the spread. (cdc.gov) ### Is this unusually large? It is significant, but not massive by cruise-outbreak standards. The raw number is 115 total cases. The more useful number is the share of people onboard — 3.3% of passengers and 1.2% of crew. That is enough to trigger public reporting and extra response measures, but it is still a minority of the ship’s population. (cdc.gov) ### Why does Fort Lauderdale keep coming up? Because this is the second Princess-linked norovirus outbreak in about two months involving a ship sailing from Fort Lauderdale. In March, Star Princess had a separate outbreak on a March 7 to March 14 voyage, with 141 passengers and 52 crew sick by the CDC’s final count. That does not prove one shared cause — these were different ships and different voyages — but it does put extra attention on turnaround sanitation and onboard containment. (cdc.gov) ### Does this mean cruising is getting worse? Not necessarily. One cruise outbreak can look huge because ships are required to report them publicly once they cross the threshold. The real takeaway is narrower: norovirus remains one of the most persistent operational risks for cruise lines, and even aggressive cleaning does not always stop it once transmission starts. (cdc.gov) ### What’s the bottom line? This was a real norovirus outbreak, not just a handful of upset stomachs. Caribbean Princess will reach the end of its voyage with more than 100 reported illnesses and a CDC investigation underway. For Princess, the awkward part is not just this ship — it is that passengers are seeing a second Fort Lauderdale-linked outbreak hit the same brand within weeks. (cdc.gov)