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Investigation Update on the Crown Princess

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Cruise Line: Princess Cruises

Cruise Ship: Crown Princess

Voyage Dates: February 4 – February 9, 2012
(scheduled end of voyage: February 11, 2012)

Number of passengers who have reported being ill during the voyage out of total number of passengers onboard: 288 of 3078 (9.36%)

Number of crew who have reported being ill during the voyage out of total number of crew onboard: 75 of 1178 (6.37%)

Predominant symptoms: vomiting, diarrhea

Causative agent: Norovirus

Actions: In response to the outbreak, Princess Cruises and the crew aboard the ship have taken the following actions:

  • Cancelled all foreign ports of call and returned to Ft. Lauderdale 2 days before their planned end of voyage,
  • Increased cleaning and disinfection procedures according to their outbreak prevention and response plan,
  • Made announcements to notify onboard passengers of the outbreak, encourage case reporting, and encourage hand hygiene,
  • Collected a stool specimens from ill passengers and crew for submission to the CDC lab,
  • Made multiple daily reports of gastrointestinal illness cases to the VSP,
  • Provided additional staff and time for thorough public and accommodation super-sanitization cleaning and disinfection during their 50 hours in port,
  • Planned and executed staged disembarkation for active cases to limit the opportunity of illness transmission to well guests,
  • Executed plans for terminal and transport infection control procedures,
  • Consulted with CDC on intensified sanitation procedures during their extended port call in Ft. Lauderdale,

A CDC Vessel Sanitation Program environmental health officer and an epidemiologist boarded the ship on arrival in Ft. Lauderdale, FL, on February 9 -10, 2012, to conduct an environmental health assessment and evaluate the outbreak and response activities. Stool specimens were sent to the CDC lab for testing.