OTTAWA, ON, Feb. 9, 2021 — Today, Health Ca ada issued a label cha ge authorizatio to Pfizer-BioNTech to reflect that each vial of its COVID-19 vacci e co tai s six doses, rather tha five. This follows a i depe de t a d thorough scie tific review of a submissio received from Pfizer-BioNTech o Ja uary 22, 2021. [...]