People with a “significant history” of allergic reactions shouldn’t receive the new Pfizer-BioNTech vaccine pending an investigation of two adverse reactions reported on the first day of the U.K.'s mass vaccination program, British health officials said Wednesday.
That could cause a dilemma in the U.S., where Pfizer's vaccine candidate could win emergency use approval from the FDA within days. Stephen Powis, national medical director for the National Health Service in England, said both affected patients were "recovering well" and that the directive came "on a precautionary basis."
anonymousCoronavirus December 09, 2020 at 10:32 am00
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