Pfizer begins human trials for pill that could treat Covid-19

[CNBC.com – March 23, 2021] Pfizer said Tuesday it has begun an early stage clinical trial of an experimental oral antiviral drug for Covid-19. The New York-based company said the phase one trial of the drug – called PF-07321332 – is being conducted in the United States. The drug is part of a class of […]

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