Surveillance of listeriosis (Listeria)
Learn about the surveillance of invasive listeriosis.
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Since 2007, invasive listeriosis has been a nationally notifiable disease in all provinces and territories.
Cases are reported to:
- provincial or territorial departments of health
- the federal government if they meet the national case definition
Canada uses different surveillance systems to monitor cases of food-borne illness. These include:
In recent years, about 134 cases of invasive listeriosis were reported annually in Canada.
Access the national surveillance data for Canada.
Invasive listeriosis is an uncommonly diagnosed infection that occurs worldwide.
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