Decisão oficial dos EUA sobre doses de reforço da vacina contra Covid-19 confunde – e irrita – alguns cientistas.

U.S. officials’ decision on Covid-19 booster shots baffles — and upsets — some scientists – STAT

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Scientists I spoke to today had a lot of questions about the administration's decision to start giving Americans 3rd doses of the mRNA vaccines next month. “I’m not sure we had enough [data] to pull the trigger right now," one said. https://t.co/eHUndOrQL4

— Helen Branswell (@HelenBranswell) August 18, 2021