An outbreak of unknown etiology on the P&O Cruises vessel, Adonia, sickened some 25 total passengers and crew, according to a Centers for Disease Control and Prevention Vessel Sanitation Program (CDC-VSP) report last week.


The 23 passengers and two crew members suffered through symptoms of diarrhea and vomiting.

The voyage from Oct 16 through 23, docked in Miami on Oct. 23, at which time a CDC Vessel Sanitation Program environmental health officer boarded the ship to conduct an environmental health assessment and evaluate the outbreak and response activities. Stool specimens were collected and will be shipped to the CDC lab for testing.

In response to the outbreak, P&O Cruises and the crew aboard the ship are taking the following actions: Increased cleaning and disinfection procedures according to their outbreak prevention and response plan, collected stool specimens from passenger and crew gastrointestinal illness cases for testing and made daily reports of gastrointestinal illness cases to the VSP.

This is the first cruise line outbreak investigated by CDC-VSP in nearly six months.