Merck and Ridgeback Biotherapeutics LP, a closely held biotechnology company, have entered into a collaboration agreement to develop EIDD-2801, an orally available antiviral candidate currently in early clinical development for the treatment of patients with COVID-19.   “In addition to our efforts to develop potential vaccines to SARS-CoV-2, we have also been evaluating our own anti-viral assets and those from external sources for their potential to treat individuals with COVID-19,” said Dr. Rog...