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 »

Search Results

2011 Outbreak of E. coli O157:H7 Linked to Amira Enterprises Raw Shelled Walnuts, Canada

On April 4, the Public Health Agency of Canada announced that an outbreak of E. coli O157:H7 had occurred in the provinces of Quebec, Ontario, and New Brunswick. Several people had consumed raw shelled walnuts; walnuts were suspected as the vehicle of infection. The implicated walnuts were distributed by Amira Enterprises of Quebec, Canada, and had been imported from the United States. Products were sold in bulk and packages. Consumers who bought in bulk may not be able to identify the source of the walnuts. The affected products were available for purchase between January 1 and April 4, 2011.

  • Outbreak began:
  • April 2011
  • Affected Country:
  • International
  • Affected States/Territories:
  • Not Applicable
  • Organism(s):
  • E. coli O157:H7
  • Vehicle(s):
  • Nuts, Walnuts
  • Molecular Results Available:
  • Unknown
  • Test Results:
  • None
  • Location(s):
  • Private Home
  • Brand Name(s):
  • Amira, Merit Selection, Tia
  • Total ill:
  • 14
  • 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:
  • Yes
  • Number Hospitalized:
  • 10
  • Any Deaths:
  • Yes
  • Number Dead:
  • 1

Other Databases

Contact Us

Questions and comments welcome. Please fill out the form below and we will respond to your inquiry.


* Required Fields