Investigation Update on the Amsterdam

Cruise Line: Holland America Line

Cruise Ship: Amsterdam

Voyage Dates: 5/23 - 5/30

Number of passengers who have reported being ill during the voyage out of total number of passengers: 101 of 1546 (6.53%)

Number of crew who have reported being ill during the voyage out of total number of crew: 8 of 587 (1.37%)

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
• Made announcements to both notify passengers and encourage case reporting
• Provided notification to oncoming passengers
• No clinical specimens were collected for analysis

Holland America Line made daily reports to VSP and continued to do so until the number of ill people returned to expected levels.