Reformulated COVID vaccine boosters may be available earlier than expected

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Reformulated COVID vaccine boosters may be available earlier than expected
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The Biden administration may scrap plans to expand eligibility for second boosters to younger adults. Instead, it's trying to speed up the next generation of boosters targeting the omicron variant. | via NPR

The FDA is trying to make "bivalent" COVID vaccines, which target two different antigens, available as soon as September.The Biden administration may scrap plans to let more younger adults get second COVID-19 boosters this summer. Instead, officials are trying to speed up availability of the next generation of boosters in the fall, NPR has learned.

The dilemma facing the FDA is that the immunity many people have gotten from getting vaccinated or infected has been wearing off. At the same time, the most contagious version of the virus to emerge yet — the omicron subvariant BA.5 — is making people even more vulnerable. The FDA is trying to get the companies to make those shots available even sooner — possibly as soon as September, according to a federal official familiar with the situation who is not authorized to talk about it publicly. The possible shift wasIf the bivalent boosters can be accelerated, the FDA would skip opening up fourth shots of the original vaccines this summer and just wait for the new double-barreled omicron vaccines in the fall.Some think it is the smartest strategy.

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