Outbreak of Gastroenteritis at a Hotel Banquet

Fatima Coronado, Julie Magri
Date published
Jan, 2008
Last updated
22 Jan 2020


Straightforward, thorough investigation of an outbreak among attendees of a company holiday dinner held at a hotel in Virginia in 2004. Case study addresses each of the steps of an outbreak investigation.  

Learning Objectives:

After completing this case study, the participant should be able to: 

  • Define cluster, outbreak, and epidemic
  • List the reasons to conduct an outbreak investigation
  • List the steps for an outbreak investigation
  • Develop an appropriate case definition for a field investigation
  • Construct and interpret an epidemic curve, and 
  • Describe a cohort study design and the appropriate measures of association