Respiratory Virus Detections in Canada 2016-2017

The Respiratory Virus Detection Surveillance System collects data from select laboratories across Canada on the number of tests performed and the number of tests positive for influenza and other respiratory viruses. Data are reported on a weekly basis year-round to the Centre for Immunization and Respiratory Infectious Diseases (CIRID), Public Health Agency of Canada. These data are also summarized in the weekly FluWatch report.

2016 - 2017 Season


* Previous weekly Respiratory Virus Detections reports (from 2004-2005 season to 2010-2011 season) are available upon request. Please send an email to

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