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Immunologist on why mixing different COVID-19 boosters is not yet a good idea

CBS, 13 Oct 2021
As the Food and Drug Administration prepares to review COVID-19 booster data from Johnson and Johnson and Moderna this week, other clinical trials are studying the potential of mixing doses of two different vaccines. Immunologist Dr. John Wherry joined CBSN to discuss why this is not yet a good idea.

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