The oral antiviral molnupiravir from Merck (NYSE:MRK) and Ridgeback Biotherapeutics fared well in a planned interim analysis of the Phase 3 MOVe-OUT trial. If authorized by FDA, the pill would be the first oral antiviral for SARS-CoV-2 in the U.S. To date, all authorized or approved COVID-19 drugs require subcutaneous, intramuscular or intravenous administration. Merck…