Monday , March 1 2021

Is a virus guessing if it is vaccinated or infected? – Yahoo News




Is a virus guessing if it is vaccinated or infected? Yahoo News

Medical network health / reporter Cai Yuehong reported that many people have flu vaccine, respiratory tract infections still occur and then suspect that the vaccine is useless. In response to factors that affect the efficacy of the vaccine, the Centers for Disease Control and Prevention (CDC) pointed out that …


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