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url = https://www.npr.org/tags/804916759/covid-19
covid-19 : npr
How Pfizer developed a COVID pill in record time
Pfizer researchers looking for a drug to treat SARS found clues that gave the company a head start in its quest for a pill to treat COVID-19, including the omicron variant.
December 1, 2021 • The Chinese operation is one of six networks blocked from Facebook and Instagram after spreading false information and harassing opponents.