Pfizer and BioNTech begin a study of an Omicron vaccine, with initial results expected in the first half of the year. January 25, 2022 Healthy tips, NYT No comments By BY BENJAMIN MUELLER from NYT Health https://ift.tt/3tZVqr6 Share This: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook
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