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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2009 E. coli O157:H7 at an Employee Catered Lunch, Minnesota

An outbreak of E. coli O157:H7 occurred among a company's employees who attended a lunch that was catered by a grocery store. One culture-confirmed case did not attend the lunch, but had consumed ground beef purchased from the same grocery store. An inspection of the grocery store suggested that cross-contamination from ground beef could have occurred. The specific food vehicle and the source of contamination was never confirmed.

  • Outbreak began:
  • June 2009
  • Affected Country:
  • US
  • Affected States/Territories:
  • Minnesota
  • Organism(s):
  • E. coli O157:H7
  • Vehicle(s):
  • Unknown Cross Contamination
  • Molecular Results Available:
  • Unknown
  • Test Results:
  • None
  • Location(s):
  • Private Home, Workplace, Catered Lunch
  • Brand Name(s):
  • Product Subject to Recall:
  • Unknown
  • Total ill:
  • 16
  • Number ill by Case Definition Known:
  • Yes
  • Number Laboratory Confirmed Cases:
  • 7
  • Number Probable Cases:
  • 9
  • Number Possible Cases:
  • 0
  • Anyone Hospitalized:
  • Yes
  • Number Hospitalized:
  • 3
  • Any Deaths:
  • Unknown
  • Number Dead:
  • Unknown
  • Any References:
  • Yes

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