Gastroenteritis at a University in Texas

Based on an investigation of an outbreak of norovirus gastroenteritis among students at the University of Texas in 1998, eventually traced to a foodhandler who worked in one of the campus cafeterias.



  • List categories and examples of questions that should be asked of key informants who have reported a suspected outbreak of foodborne disease;
  • List four criteria for establishing investigation priorities when food poisoning is suspected;
  • List three common pitfalls in the collection of clinical specimens for the investigation of suspected foodborne diseases;
  • Determine the most efficient epidemiologic study design to test a hypothesis (including the case definition and the appropriate comparison group;
  • Describe the advantages and disadvantages of different ways of administering questionnaires (e.g.: self-administered, by telephone, in person);
  • List key areas of focus in interviewing foodhandlers and observing kitchen practices in a foodborne disease outbreak.
United States
Author (s): 

Jeanette Stehr-Green

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