Merck, known as MSD outside the U.S. and Canada, and Ridgeback Biotherapeutics have signed a long-term supply agreement with the United Nations Children’s Fund (UNICEF) to facilitate broad global access for molnupiravir, an investigational oral antiviral COVID-19 medicine. Under the agreement, Merck will allocate up to 3 million courses of molnupiravir to UNICEF throughout the first half of 2022 for distribution in more than 100 low- and middle-income countries following regulatory authorization...