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Investigation Update on the Diamond Princess

Cruise Line: Princess Cruises

Cruise Ship: Diamond Princess

Voyage Dates: 9/2-9/9/06

Number of ill passengers out of total number of passenger: 127 of 2643 (4.81%)

Number of ill crew out of total number of crew: 4 of 1120 (0.36%)

Predominant symptoms: diarrhea and vomiting

Actions: Princess Cruises and the crew aboard the ship took the following actions to respond to the outbreak:

  • increased cleaning and disinfection procedures,
  • provided daily cleaning teams in terminals,
  • sent daily updates to CDC until the number of ill people returns to an expected level,
  • delayed disembarkation.

Causative Agent: Stool specimens tested positive for norovirus.

The number of ill people returned to expected levels for the voyage ending on 9/23/06.