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US opens second COVID booster shot for 50 and up

There’s evidence protection can wane particularly in higher-risk groups, and for them another booster “will help save lives,” FDA vaccine chief Dr. Peter Marks said.

FDA clears doses of Pfizer COVID vaccine for young kids

The Food and Drug Administration on Friday paved the way for children ages 5 to 11 to get Pfizer’s COVID-19 vaccine.

Biden orders tough vaccination rules for federal workers

Federal workers will be required to attest they’ve been vaccinated against the coronavirus or else face mandatory masking, weekly testing, distancing and other new rules.