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Home » Single dose of Pfizer vaccine not strong enough against variants, U.K. study shows
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Single dose of Pfizer vaccine not strong enough against variants, U.K. study shows

May 3, 2021
By Nuala Moran
LONDON – A single dose of Pfizer Inc./Biontech SE’s COVID-19 vaccine does not promote a strong enough immune response to provide protection against variants of SARS-CoV-2, including the Kent variant B.1.1.7, which as of April 29 had caused 226,635 confirmed infections in the U.K.
BioWorld Coronavirus Vaccine Europe

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