Public Health Notices
Active health investigations and safety advice.
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About investigations and notices
The Public Health Agency of Canada is responsible for responding to outbreaks of enteric illness, like Salmonella or E.coli, transmitted through routes like:
- food
- water
- contact with animals
We investigate outbreaks in more than one province or territory, or involving Canada and another country, by working with:
- Health Canada
- the Canadian Food Inspection Agency
- provincial and territorial health authorities
Public health notices include the latest information on these investigations, and advice on how to protect your health and prevent the spread of illness.
Active health investigations
There are currently no active health investigations to report on linked to enteric outbreaks.
Archived health investigations
Closed: Outbreak investigations
2024
- May 14, 2024 (Original Notice: March 22, 2024)
Outbreak of Salmonella infections linked to geckos - May 14, 2024 (Original Notice: April 13, 2023)
Outbreak of Salmonella infections linked to snakes and rodents - January 29, 2024 (Original Notice: November 17, 2023)
Outbreak of Salmonella infections linked to Malichita and Rudy brand cantaloupes - March 28, 2024 (Original Notice: November 11, 2023)
Outbreak of extensively drug-resistant Salmonella infections linked to raw pet food and contact with cattle
2023
- October 4, 2023 (Original Notice: September 14, 2023)
Outbreak of botulism in Bordeaux, France linked to sardines - October 16, 2023 (Original notice: June 23, 2023)
Investigation into non-travel related Cyclospora infections- Each spring and summer, Canada sees an increase in non-travel related Cyclospora illnesses reported to the Public Health Agency of Canada (PHAC). Between May and September 2023, 398 cases were reported to PHAC occurring in Ontario (328), Quebec (46), British Columbia (21), Newfoundland and Labrador (2) and Nova Scotia (1). The source or sources of illnesses were not identified. PHAC continues to work with its public health and food safety partners to identify possible ways Cyclospora infections occur in Canada each year.
2022
- October 14, 2022 (Original Notice: July 30, 2022)
Investigation into non-travel related Cyclospora infections- Each spring and summer, Canada sees an increase in non-travel related Cyclospora illnesses illnesses reported to the Public Health Agency of Canada (PHAC). Between May and September 2022, 325 cases were reported to PHAC occurring in Ontario (260), Quebec (57), British Columbia (4), Newfoundland and Labrador (3) and Alberta (1). The source or sources of illnesses were not identified. PHAC continues to work with its public health and food safety partners to identify possible ways Cyclospora infections occur in Canada each year.
- September 27, 2022 (Original Notice: September 2, 2022)
Aconitine toxin found in galanga powder in Ontario with possible implications for other jurisdictions - July 18, 2022 (Original Notice: June 2, 2022)
Outbreak of hepatitis A infections linked to imported fresh organic strawberries - July 18, 2022 (Original Notice: June 2, 2022)
Outbreak of hepatitis A infections linked to imported fresh organic strawberries - June 23, 2022 (Original Notice: June 1, 2022)
Outbreak of norovirus and gastrointestinal illnesses linked to spot prawns - April 28, 2022 (Original Notice: March 31, 2022)
Outbreak of norovirus and gastrointestinal illnesses linked to raw oysters from British Columbia - March 29, 2022 (Original Notice: January 29, 2022)
Outbreak of E. coli infections linked to Hankook Brand Original Kimchi - March 11, 2022 (Original Notice: November 12, 2021)
Outbreak of Salmonella infections linked to frozen whole kernel corn
2021
- October 14, 2021 (Original Notice: July 30, 2021)
Investigation into non-travel related Cyclospora infections- Each spring and summer, Canada sees an increase in non-travel related Cyclospora illnesses reported to the Public Health Agency of Canada (PHAC). Between May and September 2021, 75 cases were reported to PHAC occurring in Ontario (60), Quebec (10), British Columbia (3), and Newfoundland and Labrador (2). The source or sources of illnesses were not identified. PHAC continues to work with its public health and food safety partners to identify possible ways Cyclospora infections occur in Canada each year.
- October 12, 2021 (Original Notice: July 31, 2021)
Outbreak of hepatitis A infections linked to frozen mangoes - April 14, 2021 (Original Notice: February 18, 2021)
Outbreak of Salmonella infections linked to eggs - January 21, 2021 (Original Notice: December 10, 2019)
Outbreak of Salmonella infections linked to snakes and rodents
2020
- December 21, 2020 (Original Notice: November 6, 2020)
Outbreak of Salmonella infections linked to pet hedgehogs - December 14, 2020 (Original Notice: September 29, 2020)
Outbreak of Salmonella infections linked to contact with pig ear dog treats - December 9, 2020 (Original Notice: October 14, 2020)
Outbreak of Vibrio parahaemolyticus infections linked to shellfish - November 4, 2020 (Original Notice: July 8, 2020)
Outbreak of Cyclospora infections linked to salad products - October 15, 2020 (Original Notice: August 23, 2020)
Outbreak of Salmonella infections linked to peaches imported from the United States - October 1, 2020 (Original Notice: July 24, 2020)
Outbreak of Salmonella infections linked to red onions imported from the United States - August 12, 2020 (Original Notice: June 12, 2020)
Outbreak of E. coli infections linked to Carnivora brand frozen raw pet food - February 21, 2020 (Original Notice: December 21, 2018
Outbreak of Salmonella infections linked to raw turkey and raw chicken - January 16, 2020 (Original Notice: December 8, 2019)
Outbreak of E. coli infections linked to Fresh Express brand Sunflower Crisp Chopped Salad Kits - January 15, 2020 (Original Notice: November 22, 2019)
United States outbreak of E. coli infections linked to romaine lettuce with implications for Canadians
2019
- December 23, 2019 (Original Notice: October 23, 2019)
Outbreak of Salmonella infections linked to Filicetti brand Italian Style mild, dry, cured sausages - November 1, 2019 (Original Notice: August 19, 2019)
Outbreak of Listeria infections linked to Rosemount brand cooked diced chicken - June 27, 2019 (Original Notice: April 5, 2019)
Outbreak of Salmonella infections - linked to Celebrate brand frozen classic/classical and egg nog flavoured profiteroles (cream puffs) and mini chocolate eclairs - May 25, 2019 (Original Notice: September 13, 2018)
Outbreak of Salmonella infections linked to raw chicken, including frozen raw breaded chicken products - February 13, 2019 (Original Notice: February 13, 2019)
Antibiotic resistant and blood-borne infections
Information for Canadians who have received or are considering medical procedures in Mexico - January 11, 2019 (Original Notice: November 20, 2018)
Outbreak of E. coli infections linked to romaine lettuce
2018
- December 12, 2018
Outbreak of Salmonella infections possibly linked to long English cucumbers (Original notice: October 19, 2018) - August 1, 2018
Outbreak of norovirus and gastrointestinal illnesses linked to raw oysters (Original notice: April 16, 2018) - June 22, 2018
Outbreak of E. coli infections linked to romaine lettuce (Original Notice: May 9, 2018) - February 9, 2018
Outbreak of E. coli infections linked to romaine lettuce (Original Notice: December 11, 2017)
2017
- October 11, 2017
Outbreak of Cyclospora infections under investigation (Original Notice: June 29, 2017) - June 2, 2017
Outbreak of E. coli infections linked to various flours and flour products (Original Notice: January 13, 2017) - May 11, 2017
Ongoing outbreak of norovirus and gastrointestinal illnesses linked to raw and undercooked oysters from British Columbia (Original Notice: February 7, 2017 )
2016
- June 21, 2016
Outbreak of Hepatitis A infections; consumers advised not to eat Nature's Touch Organic Berry Cherry Blend frozen fruit - March 17, 2016
Outbreak of Listeria infections linked to packaged salad products produced at the Dole processing facility in Springfield, Ohio - March 4, 2016
Outbreak of Salmonella infections under investigation
2015
- October 15, 2015
Outbreak of Vibrio parahaemolyticus linked to raw shellfish - October 8, 2015
Outbreak of Cyclospora under investigation - October 5, 2015
Outbreak of E.coli infections - August 17, 2015
Outbreak of Salmonella infections linked to frozen raw breaded chicken products - July 23, 2015
Outbreak of Salmonella infections related to contact with live baby poultry - May 25, 2015
Outbreak of E.coli infections with possible link to leafy greens - January 14, 2015
United States Outbreak of Listeria infections related to prepackaged caramel apples that may have been distributed in Canada
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