# Canada COVID-19 vaccine safety page — browser excerpts
URL: https://www.canada.ca/en/public-health/services/diseases/coronavirus-disease-covid-19/vaccines/safety-side-effects.html
Captured: 2026-08-26

Key browser-visible points:
- Only vaccines that meet Health Canada's regulatory requirements for safety, effectiveness and quality are approved for use in Canada.
- Canada says COVID-19 vaccines reduce risk of severe illness, death and long COVID.
- Canada says serious reactions following vaccination are rare and lists reported rare reactions after COVID-19 vaccination, including Bell's palsy, blood clots with low platelets, capillary leak syndrome, Guillain-Barré syndrome, and myocarditis/pericarditis.
- Canada says reliable systems monitor vaccine safety through Health Canada, PHAC, health-care providers, manufacturers, provincial/territorial public-health authorities and local public-health units.
- People concerned about possible reactions are told to report them to health-care providers; providers report onward to public-health systems.