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  1. VSP Home > Disease Surveillance and Investigation > Updates of GI Illness > Investigation Update on the Zaandam

Investigation Update on the Zaandam

  • Cruise Line: Holland America Line
  • Cruise Ship: Zaandam
  • Voyage Dates: 11/5-11/20
  • Number of ill passengers out of total number of passengers: 91 of 1371 (6.64%)
  • Number of ill crew out of total number of crew: 8 of 616 (1.3%)
  • 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 aboard the ship and in the terminal,
    • made onboard announcements about the illness,
    • sent daily updates to CDC until the number of ill people returned to expected levels,
    • notified oncoming passengers about the illness,
    • delayed passenger embarkation on the next voyage
    • collected stool specimens for analysis.
  • Medical staff aboard the ship continued to make daily gastrointestinal illness reports to CDC throughout the following voyage (sailing dates: 11/20-12/5). VSP staff continues provide assistance to the ship.
    • The number of ill people returned to expected levels after two subsequent voyages (sailing dates: 12/5-12/20).