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Clostridium perfringens

Example 1 -- In November, 1985, a large outbreak of C. perfringens gastroenteritis occurred among factory workers in Connecticut. Forty-four percent (44%) of the 1,362 employees were affected. Four main-course foods served at an employee banquet were associated with illness, but gravy was implicated by stratified analysis. The gravy had been prepared 12-24 hours before serving, had been improperly cooled, and was reheated shortly before serving. The longer the reheating period, the less likely the gravy was to cause illness.