Table 5. Estimated annual seasonal incidence of influenza hospitalizations (per 100,000 population) in Canada by age groupa.
| Age group (years) |
Influenza season (predominant influenza of season) | ||||
|---|---|---|---|---|---|
| 2016–2017 (H3N2) |
2017–2018 (H3N2 & B) |
2018–2019 (H1N1) |
2019–2020 (H1N1 & B) |
2021–2022 (H3N2) |
|
| 0–4 | 46 | 70 | 98 | 77 | 19 |
| 5–19 | 9 | 17 | 21 | 16 | 7 |
| 20–44 | 5 | 12 | 15 | 14 | 5 |
| 45–64 | 15 | 41 | 40 | 23 | 6 |
| 65 and older | 128 | 280 | 127 | 76 | 21 |
| Overall | 30 | 64 | 45 | 30 | 9 |
a Comparison of 2021–2022 season to previous seasons, 2016–2017 to 2019–2020