FDA authorizes fourth Pfizer and Moderna Covid vaccine doses for people age 50 and older

FDA authorizes fourth Pfizer and Moderna Covid vaccine doses for people age 50 and older

[ad_1] The Food and Drug Administration has authorized fourth Pfizer and Moderna Covid vaccine doses for everyone age 50 and older, amid uncertainty over whether an even more contagious version of omicron will cause another wave of infection in the US as it has in Europe and China. The FDA also said it authorized a …

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