Influenza surveillance

Information on FluWatch, weekly flu reports, surveillance systems and programs, report definitions, and national and international flu resources.

Services and information

Influenza monitoring in Canada

Learn about Canada’s national surveillance system for monitoring the spread of flu and flu-like illnesses.

Weekly influenza reports

Access weekly reports on flu activity in Canada.

Influenza definitions

Locate definitions to help you understand the information in FluWatch report.

FluWatch weeks calendar

Identify the epidemiological week associated with a FluWatch report.

Respiratory virus detections in Canada

Understand how flu and respiratory virus data is collected from select laboratories across Canada.

Influenza surveillance resources

Find resources on provincial, territorial and international influenza surveillance.

Influenza sentinel recruiters

Discover how influenza sentinel practitioner programs help collect flu data in Canada. Also find contact information to learn how you can become a sentinel in your province.


Become a FluWatcher and help monitor the spread of flu-like illnesses in Canada.

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