COVID-19 Unprecedented challenge. Unprecedented collaboration. The Source • December 8, 2020December 8, 2020 In May, frontline caregivers are treating a COVID-19 patient in an intensive-care unit at Barnes-Jewish Hospital. The critical-care team includes nurse Kyle Breitenstein (green cap) and Praveen Chenna, MD (far right), associate professor of medicine in the Division of Pulmonary and Critical Care Medicine. (Photo: Matt Miller/Washington University School of Medicine) View Content A look at how Washington University came together in the spring and summer to respond to the COVID-19 outbreak — and to prepare for a fall semester that is anything but back to normal.