Overview
- The 13-night Serenade of the Seas docked at PortMiami with 94 passengers plus 4 crew reporting vomiting and diarrhea tied to norovirus, according to the CDC.
- Royal Caribbean intensified cleaning and disinfection, isolated symptomatic travelers, and collected stool samples under CDC guidance during the voyage.
- The outbreak exceeded the CDC’s roughly 3% reporting threshold, triggering Vessel Sanitation Program oversight and public‑health follow‑up at the port.
- The itinerary began on September 19 in San Diego with stops in Mexico, Costa Rica, and Colombia before the ship arrived in Florida.
- CDC records show 19 gastrointestinal outbreaks on cruise ships so far in 2025, including 14 attributed to norovirus, underscoring recurring risks in closed ship environments.