PHAC explains reason for pulling COVID-19 vaccines before new ones approved

The Public Health Agency of Canada says it asked provinces to get rid of existing COVID-19 vaccines to avoid confusion with new formulations that will have the same drug identification number.  Health Canada says it is reviewing updated COVID-19 vaccines that essentially modify the current shot to target a more recent strain of the virus for an expected fall rollout.Top health headlines, all in one placeThat's opposed to waiting for an entirely new formulation that would carry a different n