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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2020 Multistate Outbreak of E. coli O103 Infections Linked to Clover Sprouts at Jimmy John's Restaurants

In February 2020 the CDC announced an investigation of an outbreak of E. coli O103 linked to consumption of clover sprouts on sandwiches sold at Jimmy John's restaurants. On April 22, 2020 investigators declared the outbreak over. There were 51 reported cases in 10 states. Three people were hospitalized. There were no deaths. Dates of illness onsets ranged from January 6, 2020 to March 15, 2020. Information gathered indicated that clover sprouts were the source of the outbreak. On March 16, 2020, Chicago Indoor Garden recalled all products containing red clover sprouts. FDA traceback showed that a common seed lot was used to grow the srpouts recalled by Chicago Indoor Garden. The same seed lot was also used to grow sprouts linked to an outbreak of the same strain of E. coli O103 infections in 2019.

  • Outbreak began:
  • January 2020
  • Affected Country:
  • US
  • Affected States/Territories:
  • New York, Utah, Iowa, Virginia, Idaho, Florida, Illinois, Missouri, Texas, Wyoming
  • Organism(s):
  • Non-O157 STEC
  • Vehicle(s):
  • Clover Sprouts
  • Molecular Results Available:
  • Unknown
  • Test Results:
  • None
  • Location(s):
  • Restaurant
  • Brand Name(s):
  • Jimmy John's
  • Product Subject to Recall:
  • Yes
  • Total ill:
  • 51
  • Number ill by Case Definition Known:
  • Yes
  • Number Laboratory Confirmed Cases:
  • 51
  • Number Probable Cases:
  • 0
  • Number Possible Cases:
  • 0
  • Anyone Hospitalized:
  • Yes
  • Number Hospitalized:
  • 3
  • Any Deaths:
  • No
  • Number Dead:
  • 0

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