Outbreak of Gastroenteritis Among Warehouse Workers

Richard Dicker
Date published
Jan, 2005
Last updated
22 Jan 2020


Investigation of an outbreak of gastroenteritis among workers who ate catered food while taking inventory of a warehouse. Straightforward outbreak investigation case study.  

Learning Objectives: 

  • Develop a case definition for an outbreak of gastroenteritis,
  • Discuss why an epidemiologic study with a comparison group is useful in the investigation of an outbreak,
  • Discuss the types of studies one might conduct in an outbreak setting, Calculate appropriate measures of association for the type of study selected, and
  • Conduct a stratified analysis to address possible confounding, and Properly interpret a test of statistical significance and confidence interval.