Foodborne Illness Outbreak Database

This database provides summaries of significant food and water related outbreaks occurring since 1984 caused by E. coli, Salmonella, Hepatitis A, Campylobacter and other pathogens. Read more »

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Island Park Drinking Water 1995

Well water served to visitors to an Island Park, Idaho resort led to an outbreak of Shigella sonnei. Samples of water tested failed to show the presence of Shigella, however the water had a high coliform bacteria count. A recent subdivision of homes had been built near the resort. Shigella sonnei was found in the stool of six persons who resided in these homes. These persons denied visiting the resort, but used well water at home. The water table was substantially higher than normal due to rainfall. Drainage from a sewer line for the subdivision was draining improperly.

  • Outbreak began:
  • August 1995
  • Affected Country:
  • US
  • Affected States/Territories:
  • Idaho
  • Organism(s):
  • Shigella
  • Vehicle(s):
  • Water, Well
  • Molecular Results Available:
  • Yes
  • Test Results:
  • Unknown
  • Location(s):
  • Resort
  • Brand Name(s):
  • Product Subject to Recall:
  • No
  • Total ill:
  • 82
  • Number ill by Case Definition Known:
  • Yes
  • Number Laboratory Confirmed Cases:
  • 15
  • Number Probable Cases:
  • 67
  • Number Possible Cases:
  • 0
  • Anyone Hospitalized:
  • Unknown
  • Number Hospitalized:
  • Unknown
  • Any Deaths:
  • Unknown
  • Number Dead:
  • Unknown

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