On Saturday, FDA issued an emergency use authorization (EUA) for a combination monoclonal antibody treatment—casirivimab and imdevimab (Regeneron Pharmaceuticals)—to be administered together for the treatment of mild to moderate COVID-19 in adults and pediatric patients aged 12 years and older weighing 88 pounds with positive results of direct SARS-CoV-2 viral testing and who are at high risk for progressing to severe COVID-19.