Table 1 Seasonal Influenza Vaccination Coverage Survey (SIVCS) collection periods and response rates
From: Adult influenza vaccination coverage before, during and after the COVID-19 pandemic in Canada
Season | Start date | End date | Number of respondents | Response rate |
|---|---|---|---|---|
2018–2019 | 2019-01-21 | 2019-02-24 | 3,737 | 20% |
2019–2020 | 2020-01-10 | 2020-02-18 | 3,026 | 17% |
2020–2021 | 2021-01-06 | 2021-02-11 | 3,032 | 16% |
2021–2022 | 2022-01-04 | 2022-02-11 | 3,502 | 15% |
2022–2023 | 2023-01-05 | 2023-02-20 | 3,558 | 10% |
2023–2024 | 2024-01-03 | 2024-03-05 | 5,364 | 10% |