Distribution of influenza A (H3N2) cases by age group Canada 2018-2022

In Canada, over half of the seasonal influenza A (H3N2) cases during the 2021-2022 flu season corresponded to people aged 5 to 44 years. In previous years, the distribution of influenza A (H3N2) cases was higher among adults aged 65 and older, accounting for about 58 and 46 percent of all seasonal flu detections between 2018 and 2020. This statistic shows the by distribution of seasonal influenza A (H3N2) detections in Canada during the flu seasons 2018-2022, by age group.

Distribution of seasonal influenza A (H3N2) detections in Canada during the flu seasons 2018-2022, by age group

Characteristic	2018–2019	2019–2020	2021–2022
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Release date

October 2022

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Region

Canada

Survey time period

2018 to 2022

Supplementary notes

Adapted from Statistics Canada, National Influenza Annual Report, Canada, 2021–2022: A brief, late influenza epidemic, page 477, 2018 to 2022. This does not constitute an endorsement by Statistics Canada of this product.

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