Pfizer and BioNTech begin a study of an Omicron vaccine, with initial results expected in the first half of the year.
By BY BENJAMIN MUELLER from NYT Health https://ift.tt/3tZVqr6
Pfizer and BioNTech begin a study of an Omicron vaccine, with initial results expected in the first half of the year.
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January 25, 2022
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