The novel Coronavirus Disease 2019 (COVID-19) has become the major public health burden in the world. The immune response to severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection is complex and highly dynamic, which includes moderate to severe systemic inflammation and/or marked systemic immune suppression. A global race is on in search of a novel or repurposed antiviral agent to treat the infected and, ideally, decrease viral shedding and transmission. The goal of this program...