Illness outbreak Americas Caribbean Sea · 28 December 2025
89 Norovirus Cases Reported Aboard Holland America’s ms Rotterdam – 28 December 2025 to 9 January 2026
2,593
What happened
A gastrointestinal illness outbreak attributed to norovirus was recorded aboard Holland America Line's ms Rotterdam during a late-December to early-January Caribbean voyage. Between 28 December 2025, and 9 January 2026, close to 90 passengers and crew experienced symptoms, with U.S. public-health authorities confirming the outbreak and coordinating response measures with the cruise line.
Holland America Line implemented enhanced cleaning and disinfection protocols in accordance with CDC guidance, and a full post-voyage sanitization was conducted following the vessel's return to Fort Lauderdale on 9 January 2026.
Details of the outbreak
The outbreak was characterized by gastrointestinal symptoms, primarily diarrhea and vomiting. Affected passengers and crew were isolated to reduce further transmission, and medical monitoring and case reporting were coordinated with the CDC's Vessel Sanitation Program. Holland America Line stated that the majority of cases were mild and resolved quickly.
Passengers and crew
Passengers
- 81 out of 2,593 passengers (approximately 3.1%) reported illness.
Crew
- 8 crew members affected.
Casualties
Fatalities
- None reported.
Injuries
- 89 passengers and crew experienced gastrointestinal symptoms (diarrhea and vomiting); majority of cases were mild and resolved quickly.
Rescued
- Not applicable to this incident.
Emergency response
Holland America Line coordinated with the CDC's Vessel Sanitation Program throughout the outbreak. Enhanced cleaning and disinfection protocols were implemented in accordance with CDC guidance. Affected passengers and crew were isolated to reduce further transmission. Following the vessel's return to Fort Lauderdale on 9 January 2026, a full post-voyage sanitization of the ms Rotterdam was conducted.
Current status
The outbreak has been contained. Holland America Line emphasized that passenger and crew health and safety remain its top priority. The vessel completed post-voyage sanitization and returned to service following CDC clearance protocols.