From: Health Canada Statement November 9, 2021 | Ottawa, ON | Health Canada Health Canada has authorized the use of the Pfizer-BioNTech Comirnaty COVID-19 vaccine as a booster shot. A COVID-19 booster shot is an extra dose of the vaccine given after completion of the primary vaccine series. The booster shot is designed to help people maintain their protection againstContinue reading “Health Canada authorizes the use of the Pfizer-BioNTech Comirnaty COVID-19 vaccine as a booster shot”
