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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August 99 1999 Outbreak of Salmonella Muenchen Associated with Alfalfa Sprouts

  • Organism:
  • Salmonella
  • Vehicle:
  • Vegetable, Sprouts, Alfalfa Sprouts

Alfalfa sprouts were first linked to Salmonella Muenchen illnesses in Wisconsin in September. Eventually six other states detected Salmonella Muenchen illnesses related to alfalfa sprout consumption. The food histories of the first 16 case patients…Read More »

June 98 1998 Outbreak of E. coli O157:NM Associated with Alfalfa and Clover Mixed Sprouts

  • Organism:
  • Other
  • Vehicle:
  • Vegetable, Alfalfa, Clover Sprouts

An alfalfa and clover sprout mix was associated with an outbreak of E. coli O157:NM. A single sprout grower was one of several sprout sources for 25% of case-patients and was the sole source of sprouts for 75% of case-patients. The sprout grower ha…Read More »

September 97 1998 Outbreak of Salmonella Senftenberg and E. coli O157:NM Associated with Alfalfa-Clover Mixed Sprouts

  • Organism:
  • Salmonella, Non-E.coli O157:H7
  • Vehicle:
  • Vegetable, Sprouts, Alfalfa-Clover

A northern California sprout grower was implicated in a prolonged outbreak involving its alfalfa-clover mixed sprouts. The outbreak began with the identification of a cluster of Salmonella Senftenberg cases; the case control study showed that the co…Read More »

June 97 1997 Outbreak of E. coli O157:H7 Associated with Alfalfa Sprouts

  • Organism:
  • E. coli O157:H7
  • Vehicle:
  • Vegetable, Sprouts, Alfalfa

Outbreaks of E.coli O157:H7 occurred in Michigan and Virginia in June and July. Most of the cases shared the same genetic strain of E.coli O157:H7 and were phage type 32. Case control studies done independently in both states found that consumption…Read More »

December 95 1995 Outbreak of Salmonella Newport Associated with Alfalfa Sprouts

  • Organism:
  • Salmonella
  • Vehicle:
  • Vegetable, Sprouts, Alfalfa Sprouts

In December, 1995, one hundred thirty three Salmonella Newport infections in Oregon and British Columbia were linked to the consumption of alfalfa sprouts. In addition, 69 genetically identical, Salmonella Newport infections were noted in six other…Read More »

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