Pfizer’s bivalent vaccine for Omicron variant approved by Health Canada October 10, 2022 Realworldnewschan Canadian News Canada News The updated version of the Pfizer-BioNTech Comirnaty COVID-19 vaccine targeting the Omicron BA.4 and BA.5 subvariants was approved by Health Canada on Friday. Credit CBC News Please support our Sponsors here :