Pfizer begins study of oral drug for prevention of COVID-19
Pharmaceutical companies have been racing to develop an easy to administer pill to prevent COVID-19.
Vials with a sticker reading, "COVID-19 / Coronavirus vaccine / Injection only" and a medical syringe are seen in front of a displayed Pfizer logo in this illustration taken October 31, 2020(photo credit: REUTERS/DADO RUVIC/ILLUSTRATION/FILE PHOTO)ByREUTERS
