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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Ohio Restaurant Green Onions 1998

An outbreak of hepatitis A occurred among patrons of an Ohio restaurant. The restaurant's food workers were tested for hepatitis A; there was no evidence that a food handler could have contaminated the food with hepatitis A virus. A case-control study determined that foods containing green onions were associated with illness. A traceback on the green onions indicated that they had originated either from Mexico or California. The contaminated green onions were likely to have been distributed widely throughout the USA, yet no other cases of green onion–associated hepatitis A were identified.

  • Outbreak began:
  • November 1998
  • Affected Country:
  • US
  • Affected States/Territories:
  • Ohio
  • Organism(s):
  • Hepatitis
  • Vehicle(s):
  • Vegetable, Green Onion
  • Molecular Results Available:
  • Unknown
  • Test Results:
  • None
  • Location(s):
  • Restaurant
  • Brand Name(s):
  • Product Subject to Recall:
  • No
  • Total ill:
  • 43
  • Number ill by Case Definition Known:
  • Yes
  • Number Laboratory Confirmed Cases:
  • 43
  • Number Probable Cases:
  • 0
  • Number Possible Cases:
  • 0
  • Anyone Hospitalized:
  • Unknown
  • Number Hospitalized:
  • Unknown
  • Any Deaths:
  • Unknown
  • Number Dead:
  • Unknown
  • Any References:
  • Yes

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