Investigation Update on the Ryndam

Investigation Update - January 24, 2005

Holland America Line reported an increased number of cases of gastrointestinal (GI) illness on the vessel Ryndam (sailing dates: 01/13/2005 – 01/29/2005). The vessel sailed from San Diego, CA to Ft. Lauderdale, FL. At the end of the voyage, medical staff reported that 272 of 1223 (22.2%) passengers and 37 of 574 (6.4%) crew were ill. Stool specimens were collected and tested positive for norovirus. Medical staff continued to monitor gastrointestinal illness cases; by the following voyage the number of reported cases returned to expected levels.