Pfizer’s oral COVID-19 pill approved by U.S. FDA for at-home use 5 years ago Health By Dania Nadeem and Ankur Banerjee Reuters 2:03Ottawa signs deals to buy COVID-19 antiviral pills from Merck, Pfizer WATCH: Ottawa signs deals to buy COVID-19 antiviral pills from Merck, Pfizer – Dec 3, 2021 Advertisement Advertisement