FDA adds Merck antiviral to COVID-19 tool kit for high-risk adults above 18, amid flurry of positive news on boosters
December 23, 2021 at 10:50 AM EST
The U.S. Food and Drug Administration authorized Merck's COVID-19 antiviral for adults who have tested positive for the virus and are at high risk of disease progression early Thursday, granting it a more limited use than the rival one from Pfizer that was authorized on Wednesday.