Surgeon general: Covid-19 booster likely needed as protection against virus decreases over time


US health officials and medical experts announced in a joint statement that booster doses of Covid-19 vaccine will be offered this fall, subject to authorization from the US Food and Drug Administration and sign off from the US Centers for Disease Control and Prevention.
The officials write that the authorized Covid-19 vaccines are “remarkably effective in reducing risk of severe disease, hospitalization, and death, even against the widely circulating Delta variant,” but it’s clear that protection against the coronavirus begins to decrease over time.
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Robert Dunfee