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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Queso Fresco Cheese 1997

A raw milk, queso fresco was implicated as the cause of a large outbreak of Salmonella Typhimurium DT104 in Yakima County, Washington. In an effort to prevent future outbreaks, Hispanic grandmothers were organized to train the community on how to use pasteurized milk to make a safer traditional Mexican cheese.

  • Outbreak began:
  • Unknown 1997
  • Affected Country:
  • US
  • Affected States/Territories:
  • N/A
  • Organism(s):
  • Salmonella
  • Vehicle(s):
  • Dairy, Cheese, Unpasteurized, Queso Fresco
  • Molecular Results Available:
  • Unknown
  • Test Results:
  • None
  • Location(s):
  • Homes
  • Brand Name(s):
  • Product Subject to Recall:
  • Unknown
  • Total ill:
  • 54
  • 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:
  • Yes
  • Number Hospitalized:
  • 5
  • Any Deaths:
  • Unknown
  • Number Dead:
  • Unknown
  • Any References:
  • Yes

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