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 Group A Streptococcus Pharyngitis (GAS) at a High School Dance Team Banquet, Minnesota

In March 2012 public health officials in Minnesota investigated an outbreak of group A Streptococcus pharyngitis(GAS) infections among attendees of an all-female high school team banquet held in St. Louis County, Minnesota. Among 63 persons who consumed food from the banquet, 18 primary cases occurred. All primary cases were confirmed by GAS rapid test or culture. Four throat cultures from primary cases were tested at the Minnesota Department of Health Public Health Laboratory. All yielded GAS indistinguishable by PFGE (pattern GA-3). No food or beverage items were significantly associated with illness. However, all case-patients consumed pasta, and pasta consumption yielded the highest relative risk (RR, 3.6; CI 0.3 to 50.6; p=0.29). GAS with PFGE pattern GA-3 was isolated from 1 or 2 samples of leftover pasta. The parent who prepared the pasta reported that both she and her daughter had been ill with GAS pharyngitis 3 to 4 weeks prior to the banquet and had been treated with antibiotics. They both reported a second onset of symptoms following the banquet and again tested positive for GAS by rapid test. Public health officials concluded this was a foodborne outbreak of GAS. Pasta was identified as the vehicle.

  • Outbreak began:
  • March 2012
  • Affected Country:
  • US
  • Affected States/Territories:
  • Minnesota
  • Organism(s):
  • Group A Streptococcus Pharyngitis
  • Vehicle(s):
  • Pasta
  • Molecular Results Available:
  • Yes
  • Test Results:
  • GA-3 (Minnesota designation)
  • Location(s):
  • Potluck, banquet
  • Brand Name(s):
  • Product Subject to Recall:
  • No
  • Total ill:
  • 18
  • 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:
  • No
  • Number Hospitalized:
  • 0
  • Any Deaths:
  • No
  • Number Dead:
  • 0
  • Any References:
  • No

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