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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2012 Norovirus at a Restaurant in Edina, Minnesota

In January 2012 the City of Edina and the Minnesota Department of Health investigated an outbreak of norovirus at a restaurant located in Edina. Initial complaints from two different dining parties were made to the restaurant who notified the local health department. Investigators obtained contact information of patrons who had made a reservation at the restaurant. Sixty seven individuals were interviewed. Twenty one met the case definition. Thirteen of 24 birthday party attendees and 8 of 43 additional patrons (representing 5 separate parties) met the case definition. All ill persons ate at the restaurant on January 1. The median incubation period for the cases was 33.5 hours (range, 29 to 66 hours). The median duration of illness was 54 hours (range 17 to 132 hours). Three cases visited a medical provider. None were hospitalized. No one died. Two stool specimens were positive for norovirus GII with identical nucleic acid sequences. Illness histories and job duty information were obtained from 41 restaurant employees. No employees reported gastrointestinal symptoms prior to the January 1 meal date. Two employees reported illness on January 2 and January 3. City of Edina sanitarians observed bare-hand contact with ready-to-eat foods. Investigators concluded this was an outbreak of norovirus associated with a restaurant in Edina. no food item was statistically associated with illness. The source of contamination was not identified.

  • Outbreak began:
  • January 2012
  • Affected Country:
  • US
  • Affected States/Territories:
  • Minnesota
  • Organism(s):
  • Norovirus
  • Vehicle(s):
  • Unknown
  • Molecular Results Available:
  • Yes
  • Test Results:
  • GII
  • Location(s):
  • Restaurant
  • Brand Name(s):
  • Product Subject to Recall:
  • No
  • Total ill:
  • 21
  • Number ill by Case Definition Known:
  • Yes
  • Number Laboratory Confirmed Cases:
  • 2
  • Number Probable Cases:
  • 19
  • Number Possible Cases:
  • 0
  • Anyone Hospitalized:
  • No
  • Number Hospitalized:
  • 0
  • Any Deaths:
  • No
  • Number Dead:
  • 0
  • Any References:
  • No

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