This outbreak occurred at one of the cafeterias located in the out patient department which serves approximately 600 visitors and employees daily. We will call this cafeteria �cafeteria A�. To give you an idea we are dealing with a 940 bed hospital with 4 cafeterias and a few restaurants.

On December 9, 1997 individuals who had eaten at cafeteria A reported nausea and projectile vomiting after eating a noon meal.