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 Outbreak of Norovirus Associated At a Community Center, Bertha, Minnesota

In December 2012 public health officials in Minnesota investigated an outbreak of norovirus among individuals who attended a community Christmas lunch held at the Bertha Community Center in Bertha, Minnesota. Approximately 75 people attended the dinner. Most foods were prepared for the event in a private home. Twenty six of 68 lunch attendees were interviewed. Four primary cases were identified. The median incubation period for cases was 41 hours (range, 15 to 62 hours). Two sought medical attention and one was hospitalized. Three stool samples tested positive for norovirus GII.4 Sydney with identical nucleic acid sequences at the Minnesota Department of Health Public Health Laboratory. Investigators concluded this was a probable foodborne outbreak of norovirus gastroenteritis associated with a community lunch. The vehicle and route of transmission were not determined.

  • Outbreak began:
  • December 2012
  • Affected Country:
  • US
  • Affected States/Territories:
  • Minnesota
  • Organism(s):
  • Norovirus
  • Vehicle(s):
  • Unknown
  • Molecular Results Available:
  • Yes
  • Test Results:
  • Norovirus GII.4 Sydney
  • Location(s):
  • Private event
  • Brand Name(s):
  • Product Subject to Recall:
  • No
  • Total ill:
  • 4
  • Number ill by Case Definition Known:
  • Yes
  • Number Laboratory Confirmed Cases:
  • 3
  • Number Probable Cases:
  • 1
  • Number Possible Cases:
  • 0
  • Anyone Hospitalized:
  • Yes
  • Number Hospitalized:
  • 1
  • Any Deaths:
  • No
  • Number Dead:
  • 0
  • Any References:
  • No

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