Merck’s (MRK) COVID Pill Gets FDA Nod for Emergency Use Posted byZacks Equity Research December 24, 2021 Leave a comment on Merck’s (MRK) COVID Pill Gets FDA Nod for Emergency Use Merck’s (MRK) oral antiviral molnupiravir secures the FDA-authorized emergency use tag in treating mild-to-moderate COVID-19 in adults for whom other FDA-approved COVID treatments are unsuitable.