Close to two thirds of the AstraZeneca COVID-19 vaccine imported into Canada came from a U.S. factory that American authorities say was rife with quality-control issues, Health Canada confirmed Thursday.
The U.S. Food and Drug Administration said this week it will not allow the release of any vaccine made under contract at the Emergent Biosolutions plant in Baltimore, Md. — and still in the U.S.— until it’s been tested further.
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