FDA Authorizes Updated Covid Booster Shots, Targeting Omicron Subvariants

The Food and Drug Administration on Wednesday authorized the first redesign of coronavirus vaccines since they were rolled out in late 2020, setting up millions of Americans to receive new booster doses targeting Omicron subvariants as soon as next week. From a report: The agency cleared two options aimed at the BA.5 variant of Omicron that is now dominant: one made by Pfizer and its German partner BioNTech for use in people as young as 12, and the other by Moderna, for those 18 and older. The doses can be given at least two months since people last received a booster dose or completed their initial series of vaccinations. Biden administration officials have argued that even as researchers work to understand how protective the new shots might be, inoculating Americans again in the coming weeks could help curb the persistently high number of infections and deaths. "As we head into fall and begin to spend more time indoors, we strongly encourage anyone who is eligible to consider receiving a booster dose," Dr. Robert M. Califf, the F.D.A. commissioner, said in a statement on Wednesday. He added that the vaccine would "provide better protection against currently circulating variants."

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