Investigation Update on the Oceania Riviera
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Cruise Line: Oceania Cruises
Cruise Ship: Oceania Riviera
Voyage Dates: February 12-22, 2016
Number of passengers who have reported being ill during the voyage out of total number of passengers onboard: 124 of 1,225 (10.12%)
Number of crew who have reported being ill during the voyage out of total number of crew onboard: 3 of 773 (0.39%)
Predominant symptoms: vomiting, diarrhea
Causative agent: Norovirus
Actions: In response to the outbreak, Oceania Cruises and the crew aboard the ship reported the following actions:
- Increasing cleaning and disinfection procedures according to their outbreak prevention and response plan,
- Collecting stool specimens from passenger and crew gastrointestinal illness cases for testing,
- Making multiple daily reports of gastrointestinal illness cases to the VSP,
- Sent public health and sanitation manager, two physicians from the cruise line corporate office to oversee and assist with implementation of the sanitation and outbreak response procedures,
- Sent additional crew and equipment to the ship to assist in the execution of the ship’s outbreak response procedures,
- Consulting with CDC on plans for their comprehensive sanitation procedures in Miami, FL, including:
- sailing back to Miami, FL early to complete multiple sanitation barriers prior to the next voyage,
- planning staged disembarkation for active cases to limit the opportunity of illness transmission to well guests, and
- planning for sanitation of terminal and transport infection control procedures.
A CDC Vessel Sanitation Program environmental health officer and an epidemiologist are currently making plans to board the ship upon arrival in Miami, FL to conduct an environmental health assessment and evaluate the outbreak and response activities. Specimens have been collected and tested onboard using a norovirus rapid test; results were positive for norovirus. The specimens will be sent to CDC for additional testing.