Canadian Institutes of Health Research
570,556 snapshots · latest May 3, 2026
Homepage:https://cihr-irsc.gc.ca/
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Important note
Browse and search historical snapshots. This is an archive — not current guidance or medical advice. Archived content may be incomplete, outdated, or superseded. For up-to-date recommendations, always consult the official source website.
For background on coverage and capture methods, see Methods & coverage.
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Health Canada
386,223 snapshots · latest Apr 14, 2026
Public Health Agency of Canada
243,880 snapshots · latest Apr 28, 2026
Archived 20: Summary of National Advisory Committee on Immunization (NACI) rapid response: Booster dose of COVID-19 vaccine in long-term care residents and seniors living in other congregate settings - Canada.ca We have archived…
Archived 19: Summary of National Advisory Committee on Immunization (NACI) rapid response: Additional dose of COVID-19 vaccine in immunocompromised individuals following a 1- or 2-dose primary series - Canada.ca We have archived…
Archived 19: National Advisory Committee on Immunization (NACI) rapid response: Additional dose of COVID-19 vaccine in immunocompromised individuals following 1- or 2- dose primary series [2021-09-10] - Canada.ca We have archived…
Archived 17: Recommendations on the use of COVID-19 vaccines [2021-07-22] - Canada.ca We have archived this page and will not be updating it. You can use it for research or reference. Français fr / Gouvernement du…
Archive 18: Summary of National Advisory Committee on Immunization (NACI) statement: Recommendation on the use of mRNA COVID-19 vaccines in adolescents 12 to 17 years of age - Canada.ca We have archived this page and will not be…
Archived 20: NACI rapid response: Booster dose in long-term care residents and seniors living in other congregate settings [2021-09-28] - Canada.ca We have archived this page and will not be updating it. You can use it for research…
Archive 18: Recommendation on the use of mRNA COVID-19 vaccines in adolescents 12 to 17 years of age [2021-08-27] - Canada.ca We have archived this page and will not be updating it. You can use it for research or reference. Language…
Archived 23: Table of updates: Recommendations on the use of COVID-19 vaccines [2020-12-12 to 2021-10-22] - Canada.ca We have archived this page and will not be updating it. You can use it for research or reference. Language…
Archive 22: Summary of National Advisory Committee on Immunization (NACI) statement: Recommendations on the use of COVID-19 vaccines - Canada.ca We have archived this page and will not be updating it. You can use it for research or…
Archived 21: Summary of National Advisory Committee on Immunization statement: Interim guidance on booster COVID-19 vaccine doses in Canada - Canada.ca We have archived this page and will not be updating it. You can use it for…
Early release: coverage and features are still expanding.
