COVID-19 Biology and Pathophysiology Collaboratory Leaders Kartik Chandran, Ph.D., Professor of Microbiology & Immunology John Greally, Ph.D., D.Med., Professor of Genetics, Medicine and Pediatrics Richard Kitisis, M.D., Professor of Medicine and Cell Biology Vinayaka Prasad, Ph.D., Professor of Microbiology & Immunology Studies to understand critical aspects of viral infection, replication, pathogenesis, and transmission Identification and evaluation of the protective innate, cellular and humoral immune responses to COVID-19 Identification of factors that affect COVID-19 viral host-range and virulence