What's causing rare allergic reactions to Pfizer's vaccine?
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It might be a chemical commonly used in laxatives.
Full ArticlePublished
It might be a chemical commonly used in laxatives.
Full ArticleThe patient, who has a severe shellfish allergy, recovered quickly with treatment. Until now, reports of severe reactions had been..
The chief scientific adviser for Operation Warp Speed said the frequency of allergic reactions to the Pfizer-BioNTech..