October 1st, 2021 by WCBC Radio
Some people who got the Moderna or Johnson & Johnson COVID-19 vaccine, are eager to get a booster, and are thinking about getting the Pfizer booster. Saying that there is not enough evidence at this point, the Food and Drug Administration does not endorse mixing vaccine. Dr Matthew Simmons, an expert on infectious diseases at UPMC Western Maryland, was asked for his opinion during an appearance on WCBC’s “Dave Norman Show”…
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