Respiratory Virus Detections in Canada

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.

2017 - 2018 Season

Week 20 – Ending May 19, 2018 NEW
Week 19 – Ending May 12, 2018
Week 18 – Ending May 5, 2018
Week 17 – Ending April 28, 2018
Week 16 – Ending April 21, 2018
Week 15 – Ending April 14, 2018
Week 14 – Ending April 7, 2018
Week 13 - Ending March 31, 2018
Week 12 - Ending March 24, 2018
Week 11 - Ending March 17, 2018
Week 10 - Ending March 10, 2018
Week 9 - Ending March 3, 2018
Week 8 - Ending February 24, 2018
Week 7 - Ending February 17, 2018
Week 6 - Ending February 10, 2018
Week 5 - Ending February 3, 2018
Week 4 - Ending January 27, 2018
Week 3 - Ending January 20, 2018
Week 2 - Ending January 13, 2018
Week 1 - Ending January 6, 2018
Week 52 - Ending December 30, 2017
Week 51 - Ending December 23, 2017
Week 50 - Ending December 16, 2017
Week 49 - Ending December 9, 2017
Week 48 - Ending December 2, 2017
Week 47 - Ending November 25, 2017
Week 46 - Ending November 18, 2017
Week 45 - Ending November 11, 2017
Week 44 - Ending November 4, 2017
Week 43 - Ending October 28, 2017
Week 42 - Ending October 21, 2017
Week 41 - Ending October 14, 2017
Week 40 - Ending October 7, 2017
Week 39 - Ending September 30, 2017
Week 38 - Ending September 23, 2017
Week 37 - Ending September 16, 2017
Week 36 - Ending September 9, 2017
Week 35 - Ending September 2, 2017

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Respiratory Virus Detections in Canada

2017 - 2018 Season

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