@thehill: Pfizer vaccine significantly less effective in kids 5-11: study
Pfizer vaccine significantly less effective in kids 5-11: study https://t.co/dx28p6f25P pic.twitter.com/nmcF4fEBrE
— The Hill (@thehill) February 28, 2022
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Pfizer vaccine significantly less effective in kids 5-11: study https://t.co/dx28p6f25P pic.twitter.com/nmcF4fEBrE
— The Hill (@thehill) February 28, 2022