FDA authorizes mRNA boosters from Pfizer, Moderna for all adults 6 months after vaccination
All US adults who received two doses of an mRNA Covid-19 vaccine are now eligible for a booster shot, the FDA announced Friday.
The moves will amend the existing EUAs for the Pfizer/BioNTech and Moderna boosters, which had previously been limited to immunocompromised individuals, those older than 65 and adults at high risk for severe disease through certain comorbidities or occupational exposure. For Moderna in particular, the booster shots come in a half-dose of the original vaccine series — 50 µg instead of 100 µg — while Pfizer’s remains at 30 µg for each shot.
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