Overview
- The CDC reports 81 passengers and eight crew experienced vomiting and diarrhea during the Dec. 28–Jan. 9 Caribbean sailing of Rotterdam.
- The ship carried 2,593 passengers and 1,005 crew and reported the outbreak to the CDC’s Vessel Sanitation Program on Jan. 8.
- Holland America says cases were mostly mild and that the ship underwent comprehensive sanitization upon docking in Fort Lauderdale on Jan. 9.
- Crew isolated ill individuals, increased cleaning and disinfection, and collected stool specimens for testing, consistent with the line’s outbreak plan.
- The CDC lists norovirus as the cause and is remotely monitoring the response, noting Rotterdam had prior gastrointestinal outbreaks in February and March 2025.