Skip directly to: content | left navigation | search

Investigation Update on the Zuiderdam

  • Cruise Line: Holland America Line
  • Cruise Ship: Zuiderdam
  • Voyage Dates: 10/23-11/9
  • Number of ill passengers out of total number of passengers: 262 of 1820 (14.4%)
  • Number of ill crew out of total number of crew: 17 of 794 (2.14%)
  • 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 and sent additional staff to board the ship to support these measures;
    • sent public health staff to ship to assist outbreak management and control;
    • delayed the time of embarkation in order to conduct additional cleaning and disinfection;
    • collected stool specimens for analysis;
    • continued to send daily updates to CDC and until the number of ill people returned to expected levels.
  • On November 9th, VSP staff boarded the ship to conduct a targeted environmental health assessment and make recommendations.
  • During the following voyage the number of ill people returned to expected levels (sailing dates: 11/9-11/19).