CHAPEL HILL, N.C. -- As the US Food and Drug Administration considers whether to authorize emergency use of Pfizer and BioNTech's COVID-19 vaccine, medical experts are paying close attention to ...
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LONDON (Reuters) - Britain's medicine regulator said anyone with a history of anaphylaxis to a medicine or food should not get the Pfizer-BioNTech COVID-19 vaccine, giving fuller guidance on an ...