COVID-19: Vaccination Our publications in English about vaccination and immunization against COVID-19 Administration of COVID-19 booster doses: Recommendations for winter and spring 20232 February 2023 Preliminary Data on Vaccine Effectiveness and Supplementary Opinion on the Strategy for Vaccination Against COVID-19 in Quebec in a Context of Shortage18 February 2021 Requested supplement to the notice Strategy for Vaccination Against COVID-19: Postponement of the Second Dose in a Context of Shortage20 January 2021 Strategy for Vaccination Against COVID-19: Postponement of the Second Dose in a Context of Shortage31 December 2020
