According to the source, Long COVID refers to persistent, recurring, or new symptoms occurring within three months or more after a confirmed or suspected COVID-19 infection.
The source does not provide any information regarding missing percentage points to 100 percent.
Adapted from Statistics Canada, COVID-19: Longer-term symptoms among Canadian adults - Second report, April 1 to August 31, 2022. This does not constitute an endorsement by Statistics Canada of this product.
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Long COVID symptoms among adults in Canada 2022, by vaccination status
According to a survey conducted from April to August 2022, approximately 25 percent of adults in Canada who reported longer-term COVID-19 symptoms after being infected were unvaccinated. In comparison, only 12.2 percent of respondents that received three vaccine doses against COVID-19 had reported longer-term symptoms. This statistic shows the percentage of adults reporting longer-term COVID-19 symptoms in Canada as of August 2022, by vaccination status.
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Public Health Agency of Canada. (March 24, 2023). Percentage of adults reporting longer-term COVID-19 symptoms in Canada as of August 2022, by vaccination status [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved August 01, 2026, from /statistics/1401031/percentage-of-adults-reporting-longer-term-covid-19-symptoms-canada-by-vaccination-status/
Public Health Agency of Canada. "Percentage of adults reporting longer-term COVID-19 symptoms in Canada as of August 2022, by vaccination status." Chart. March 24, 2023. ÌÇÐÄÆÆ½â°æ. Accessed August 01, 2026. /statistics/1401031/percentage-of-adults-reporting-longer-term-covid-19-symptoms-canada-by-vaccination-status/
Public Health Agency of Canada. (2023). Percentage of adults reporting longer-term COVID-19 symptoms in Canada as of August 2022, by vaccination status. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: August 01, 2026. /statistics/1401031/percentage-of-adults-reporting-longer-term-covid-19-symptoms-canada-by-vaccination-status/
Public Health Agency of Canada. "Percentage of Adults Reporting Longer-term Covid-19 Symptoms in Canada as of August 2022, by Vaccination Status." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 24 Mar 2023, /statistics/1401031/percentage-of-adults-reporting-longer-term-covid-19-symptoms-canada-by-vaccination-status/
Public Health Agency of Canada, Percentage of adults reporting longer-term COVID-19 symptoms in Canada as of August 2022, by vaccination status ÌÇÐÄÆÆ½â°æ, /statistics/1401031/percentage-of-adults-reporting-longer-term-covid-19-symptoms-canada-by-vaccination-status/ (last visited August 01, 2026)
Percentage of adults reporting longer-term COVID-19 symptoms in Canada as of August 2022, by vaccination status [Graph], Public Health Agency of Canada, March 24, 2023. [Online]. Available: /statistics/1401031/percentage-of-adults-reporting-longer-term-covid-19-symptoms-canada-by-vaccination-status/