Individuals who received a COVID-19 vaccine not authorized by Health Canada (HC) (while in another country) may need additional doses to stay up-to-date:
If an individual6 months of age and older has been vaccinated with one or more non-Health Canada approved vaccine(s), they are recommended to receive one or more doses of an XBB COVID-19 vaccine as per the timing outlined in the above sections (Previously unvaccinated/previously vaccinated). The number of doses is dependent on the number of doses previously received and immune status.
Individuals at high-risk of severe illness from COVID-19 may receive an additional dose of an XBB COVID-19 vaccine in Spring 2024.