COVID: American study reveals Pfizer and Moderna vaccines lose efficacy over time
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gentside.co.uk
COVID: American study reveals Pfizer and Moderna vaccines lose efficacy over time
Studies from CDC have shown that the rate of efficacy could drop over time for Pfizer and Moderna vaccines.…
Aug 19, 2021
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Clinical trial results of Pfizer/BioNTech’s Covid-19 vaccine showed 100% efficacy and is well tolerated among 12 to 15 year olds, the companies said. “By the fall, I think there’s a good possibility we’ll be vaccinating teenagers 12 and up," Dr. Peter Hotez says. https://cnn.it/3ftwTU9 | CNN Replay
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