November 10, 2021 Health Policy Approval of 3rd dose of Pfizer COVID-19 vaccine for adults by Health Canada makes it official that this is a three-dose series vaccine. #VaccinesWork
September 9, 2021 Clinical Research Latest information indicates that booster shots are not needed for most Canadians with several important exceptions. Science, like time is not static, and will help determine if this recommendation will change over time. #VaccinesWork #GoScience
August 27, 2021 General information Third dose of COVID-19 vaccine now available for higher-risk populations in Ontario. #vaccineswork