Last week, the U.S. Food and Drug Administration (FDA) authorized the use of "mix-and-match" COVID-19 vaccine boosters. Any person eligible to receive a booster won't have to stick with the same ...
网页链接Last week, the U.S. Food and Drug Administration (FDA) authorized the use of "mix-and-match" COVID-19 vaccine boosters. Any person eligible to receive a booster won't have to stick with the same ...
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