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).
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