Smokers were never really protected from COVID, despite what early studies claimed
Early in the coronavirus pandemic, researchers stumbled on an unexpected finding: smokers seemed to be protected from COVID’s worst effects.
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Pfizer vaccine offers 88% protection against Delta variant, but 2 doses needed
(HealthDay)—Pfizer’s coronavirus vaccine provides surprisingly robust protection against the highly infectious Delta variant of COVID-19—but only if you’ve gotten both
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