How could studying gastrointestinal cells help the fight against COVD-19, which is a respiratory disease? According to a team led by Gustavo Mostoslavsky, MD, Ph.D., at the BU/BMC Center for Regenerative Medicine (CReM) and Elke Mühlberger, Ph.D., from the National Emerging Infectious Diseases Laboratories (NEIDL) at Boston University, testing how SARS-CoV-2 affects the gut can potentially serve to test novel therapeutics for COVID-19.