• A primer on what we know about mixing and matching Covid vaccines

    15 days ago - By STAT

    Later this week an expert committee that advises the Centers for Disease Control and Prevention will hear about the results of a clinical trial that could influence how Covid vaccines are used in this country at some point in the future. The trial, conducted by the National Institute of Allergy and Infectious Diseases, is a so-called mix-and-match trial, testing the Covid vaccines authorized in the U.S. in combinations with each other.
    The goal of the trial was to see whether using a different vaccine as a booster shot improves protection. So does getting a dose of Pfizer vaccine after...
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