The Food and Drug Administration on Wednesday released new data from Pfizer's submitted application to approve booster doses of its Covid-19 vaccine. In it, Pfizer demonstrates what it sees as proof that third shot will be both safe and necessary for most Americans to take, arguing that immunity wanes over time -- regardless of any new variant of concern.
It comes two days ahead of a critical juncture in the COVID-19 vaccine booster approval process: Friday, the Food and Drug Administration's independent advisory committee (VRBPAC) is set to convene to review and discuss the latest data on potential booster doses of the Pfizer vaccine. The committee will be asked to vote on whether a booster dose is safe enough for widespread use -- and whether it's necessary and effective at improving protection levels.
In mid-August, the FDA authorized boosters of Moderna and Pfizer for the roughly 7 million immunocompromised Americans who didn't get an optimal immune response to their initial vaccine doses. ...
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