Canadian COVID-19 Antibody and Health Survey (CCAHS)
Other reference periods
- Follow-up Questionnaire, 2023 Canadian COVID-19 Antibody and Health Survey (CCAHS)
- April 2022 to August 2022 Canadian COVID-19 Antibody and Health Survey (CCAHS)
- November 2020 to April 2021 Canadian COVID-19 Antibody and Health Survey (CCAHS)
Generally, information is only available for reference periods after November 2000.
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