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Foodborne Disease Outbreak
1990 Case Definition

Clinical Description

Definition: An incident in which two or more persons experience a similar illness after ingestion of a common food, and epidemiologic analysis implicates the food as the source of the illness.

Symptoms of illness depend upon etiologic agent. Please see Appendix B, "Guidelines for Confirmation of Foodborne-Disease Outbreaks" in the MMWR.1

Laboratory Criteria for Diagnosis

Depends upon etiologic agent. Please see Appendix B, "Guidelines for Confirmation of Foodborne-Disease Outbreaks" in the MMWR.1

Comments

There are two exceptions: one case of botulism or chemical poisoning constitutes an outbreak.

Reference(s)

  1. MMWR 2000;49(No. SS-1)


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