OTTAWA — Health Canada announced the Pfizer, Moderna and Oxford-AstraZeneca vaccines have been given new names. New brand names for the vaccines have been approved at the request of the drug companies. The Pfizer-BioNTech vaccine has now been dubbed Comirnaty, which the company says represents a combination of the terms COVID-19, mRNA, community, and immunity. The Moderna vaccine will go by SpikeVax and the AstraZeneca vaccine will be named Vaxzevria. Health Canada points out the vaccines themse