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Investigation Update on the Zaandam

  • Cruise Line: Holland America Line
  • Cruise Ship: Zaandam
  • Voyage Dates: 2/5-2/20
  • Number of passengers who have reported being ill during the voyage out of total number of passengers: 74 of 1408 (5.3%)
  • Number of ill crew who have reported being ill during the voyage out of total number of crew: 21 of 590 (3.6%)
  • Predominant symptoms: diarrhea and vomiting
  • Actions: In response to the outbreak, Holland America Line and the crew aboard the ship took the following actions:
    • increased cleaning and disinfection procedures,
    • notified passengers onboard the ship,
    • staffed the ship with a senior medical specialist for additional support,
    • notified oncoming passengers,
    • staffed the ship with an additional cleaning crew in San Diego,
    • collected stool specimens for analysis.
  • Holland America Line will continue to report the number of ill people to CDC until the number of ill people returns to expected levels.