Merck says it's developed an oral antiviral drug that reduces the risk of hospitalization or death by around 50% for patients with mild or moderate cases of Covid. "This is a profound game changer," @ScottGottliebMD says. https://t.co/oMhj0Vz3Av pic.twitter.com/gqRDZLGz3j

— CNBC (@CNBC) October 1, 2021