Waterborne

Cryptosporidiosis in Georgia

Investigation of a large, community-wide outbreak of cryptosporidiosis in Georgia in 1987 that resulted from contamination of a public water supply that met all standards in effect at the time.

 

Objectives:

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

1. discuss epidemiologic clues indicative of a waterborne disease outbreak as opposed to a foodborne disease outbreak;

2. describe a boil-water advisory and discuss problems that might be encountered in issuing such an advisory;

Investigation: 
Outbreak
Country: 
United States
Year: 
2010
Author (s): 

Jeanette Stehr-Green

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No Fair Warning: An Outbreak Following the 1999 Washington County Fair

Large outbreak of both E. coli and Campylobacter traced to unregulated fairground water supply, 1999; another straightforward outbreak investigation.

 

Objectives: 

  • List the reasons to investigate an outbreak;
  • List and discuss each step in the investigation of an outbreak;
  • Describe the features of an appropriate case definition; and
  • Construct an epidemic curve.
Investigation: 
Outbreak
Country: 
United States
Year: 
2000
Author (s): 

Richard Dicker

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