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.

“We can’t have them both in the same pharmacy, the same vaccine clinic, at the same time, because you won’t have any way to distinguish what is what,” says Dr. Donald Sheppard, PHAC’s vice-president of infectious diseases and vaccination programs branch.

The new updated vaccines modify the current shot to target more recent COVID strains so have the same drug identification number, unlike a whole new formulation{ai:summary}<p>The Public Health Agency of Canada has requested provinces to discontinue current COVID-19 vaccines to prevent confusion with new formulations that share the same identification number. Dr. Donald Sheppard emphasized the need for clarity in vaccine distribution. </p><p>#health</p>

Federal health agency tells why it asked provinces to toss existing COVID vaccines before new ones approved

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