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Investigation Update on the Anthem of the Seas

Cruise Line: Royal Caribbean Cruise Line

Cruise Ship: Anthem of the Seas

Voyage Dates: February 21 - March 4, 2016*

Number of passengers who have reported being ill during the voyage out of total number of passengers onboard: 132 of 4,061 (3.25%)

Number of crew who have reported being ill during the voyage out of total number of crew onboard: 16 of 1,592 (1.01%)

Predominant symptoms: vomiting, diarrhea

Causative agent: Norovirus

Actions: In response to the outbreak, Royal Caribbean Cruise Line 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 daily reports of gastrointestinal illness cases to the VSP,
  • Sending 4 Hotel and Housekeeping Operations Managers, 3 Public Health staff, one nurse from the cruise line corporate office to oversee and assist with implementation of the sanitation and outbreak response procedures,
  • Sending 10 additional internal cleaning crew and 10 contract cleaning staff and equipment to the ship to assist in the execution of the ship’s outbreak response,
  • Consulting with CDC on plans for their comprehensive sanitation procedures in Bayonne, NJ, including:
    • 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.

Two CDC Vessel Sanitation Program environmental health officers and an epidemiologist will board the ship in Bayonne, NJ on March 2, 2016 to conduct an environmental health assessment and evaluate the outbreak and response activities. Specimens have been collected and will be sent to CDC for testing.

* Note: scheduled voyage set to end on March 2, 2016.