World Pfizer’s antiviral COVID-19 pill approved by U.K. regulators By - December 31, 2021 0 228 Facebook Twitter Pinterest WhatsApp World By Staff Reuters Posted December 31, 2021 7:38 am 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 © 2021 Reuters