[ad_1] U.S. regulators cleared second booster doses of Covid-19 vaccine from Moderna and Pfizer-BioNTech for adults 50 and older, making millions more people eligible for the shots as concern grows […]
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[ad_1] U.S. regulators cleared second booster doses of Covid-19 vaccine from Moderna and Pfizer-BioNTech for adults 50 and older, making millions more people eligible for the shots as concern grows […]