Weekly influenza reports
October 6 to 12, 2019 (Week 41)
- Influenza activity remains at interseasonal levels at the national level.
- The number of regions in Canada reporting influenza activity increased in week 41.
- Influenza A(H3N2) is the most common influenza virus circulating in Canada.
- Weekly reporting of laboratory detections of respiratory viruses continues via our Respiratory Virus Detections Surveillance System.
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