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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Field Trip to San Joaquin County Dairy 1985

Students, teachers, and some family members, made a field trip to a San Joaquin County, California, dairy farm. At the farm, some drank raw, unpasteurized, cow milk. The people who did not drink the milk remained well. Neither the cows nor milk were cultured, but stools from some of the case-patients yielded Campylobacter jejuni.

  • Outbreak began:
  • October 1985
  • Affected Country:
  • US
  • Affected States/Territories:
  • California
  • Organism(s):
  • Campylobacter
  • Vehicle(s):
  • Dairy, Milk, Unpasteurized
  • Molecular Results Available:
  • Unknown
  • Test Results:
  • None
  • Location(s):
  • Dairy
  • Brand Name(s):
  • Product Subject to Recall:
  • No
  • Total ill:
  • 23
  • Number ill by Case Definition Known:
  • Unknown
  • Number Laboratory Confirmed Cases:
  • N/A
  • Number Probable Cases:
  • N/A
  • Number Possible Cases:
  • N/A
  • Anyone Hospitalized:
  • Unknown
  • Number Hospitalized:
  • Unknown
  • Any Deaths:
  • Unknown
  • Number Dead:
  • Unknown
  • Any References:
  • Yes

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