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FDA green lights booster dose of Pfizer vaccine for older, more vulnerable Americans

September 22, 2021


The Food and Drug Administration will allow older adults and people at high risk of severe COVID-19 to receive a third dose of Pfizer and BioNTech’s coronavirus vaccine, announcing Wednesday night an amended emergency authorization for the shot.

The regulator’s decision, which comes as cases, hospitalizations and deaths from coronavirus infections remain at high levels across the country, clears the way for potentially millions of Americans to get booster doses, which are aimed at maintaining immunity for a longer period of time.

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