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FDA authorizes Pfizer vaccine for ages 12 and up

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The U.S. vaccine numbers keep improving: 58.2% of U.S. adults 18 and up have received at least one dose of the coronavirus vaccine, and now, the Pfizer vaccine has just been authorized by the FDA for children ages 12 and up. “What a relief it will be for parents if their teenagers and their tweens can get vaccinated,” says MSNBC Science Contributor Laurie Garrett.