Gastroenteritis following a Barbecue in Northern Ireland

Edit original node
Author(s)
Source: Dr. Lorraine Doherty, Dr. Maureen Mc Cartney, and Dr. Elizabeth Mitchell; revision: EPIET, September 2004
Date published
Oct, 2004
Last updated
22 Jan 2020

Summary

You are the public health doctor on duty for communicable disease emergencies in your health board area, population 650,000. A general practitioner (GP) from a farming community in the health board area telephones to tell you he has seen four patients with severe gastroenteritis since 20 July 1995; 1 patient has been hospitalised. All four patients attended a fundraising barbecue to raise money for the local church on 18 July 1995. 

Learning Objectives:

At the end of the case study, the participant should be able to:

  • Understand the operational and epidemiological steps of an outbreak investigation
  • Draw and interpret an epidemic curve
  • Calculate and interpret food specific attack rates
  • Understand environmental investigations and control measures