An outbreak of Bacillus cereus implicating a part-time banquet caterer.

Context And Objectives: In the aftermath of a party, 70% (25 of 36) of attendees had gastroenteritis. The objectives of this study were to identify a risk factor associated with the food during the banquet and to identify measures of control for avoiding this kind of outbreak in the future.

Method: A retrospective cohort study was used.