Updated recommendations on the use of COVID-19 vaccine booster doses in children 5 to 11 years of age and concurrent vaccine administrationPublished: December 9, 2022. Post author By Public Health Agency of Canada Post date 22 February 2023 ← Guidance on COVID-19 vaccine booster doses: Initial considerations for 2023 → Bivalent Omicron-Containing COVID-19 mRNA Vaccines