Investigation Update on the Zaandam
Cruise Line: Holland America Line
Cruise Ship: Zaandam
Voyage Dates: 11/26-12/11
Number of ill passengers out of total number of passengers: 64 of 1431 (4.47%)
Number of ill crew out of total number of crew: 4 of 617 (0.67%)
Predominant symptoms: diarrhea and vomiting
Actions: Holland America Line and the crew aboard the ship took the following actions to respond to the outbreak:
- increased cleaning and disinfection procedures,
- sent daily updates to CDC until the number of ill people returned to expected levels.
The number of ill people returned to expected levels for the voyage ending on 12/21/06.