FDA investigating five allergic reactions after Pfizer shot in U.S - Toxicology of polyethylene glycol
FDA investigating five allergic reactions after Pfizer shot in U.S - Toxicology of polyethylene glycol
The U.S. Food and Drug Administration is investigating around five allergic reactions that happened after people were administered Pfizer Inc and BioNTech SE's COVID-19 vaccine in the United States this week, a top FDA official said late on Friday.
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