Listeriosis is an intestinal infection caused by the bacterium Listeria monocytogenes. The Listeria bacteria are spread by eating contaminated foods such as ready-to-eat meats, soft cheeses, milk, and raw vegetables. The elderly, pregnant women, and those with weakened immune systems are most at risk of complications. These individuals should avoid high risk foods.
Local Information
2023 Statistics
Incidence rate is the number of new cases of disease divided by the number of persons at risk for the disease during a particular time period.
Cases:
2*
*Indicates confirmed cases in 2023.
Incidence rate per 100,000 in 2023: 1.5
Incidence rate per 100,000 of Listeriosis by year
Data Sources |
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More Information about Listeriosis |
Reporting |
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Report to the Health Unit by next business day by phone at 705-474-1400 or toll free at 1-800-563-2808, ext. 5229 if listeriosis is suspected or confirmed as per Ontario Regulation 135/18 and amendments under the Health Protection and Promotion Act, R.S.O., c.H.7. |
Should one go to childcare, school, or work if they have listeriosis? |
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No exclusion necessary unless too ill to participate in regular activities. Listeriosis is rarely spread person-to-person. |
Healthcare Provider Information |
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Public Health Ontario: Listeriosis (Listeria) Public Health Ontario: Listeriosis Clinical Testing Information Infectious Disease Protocol, Appendix 1: Listeriosis Public Health Agency of Canada for Health Professionals: Listeriosis (Listeria) |
Contact our Communicable Disease Control (CDC) program at 705-474-1400 or toll free at 1-800-563-2808, ext. 5229, or by email to cdc@healthunit.ca for more information.
Last updated: September 2024, by CDC