Dr. Peter Dean, a pediatric cardiologist who is the team cardiologist for University of Virginia athletes, noted, for example, that at the beginning of the epidemic, as it became clear that Covid infection could cause inflammation of the heart in adults, no one in pediatric cardiology knew what the implications were for children and adolescents. … His colleague Dr. James Nataro, the chairman of pediatrics at the University of Virginia, who is a pediatric infectious diseases expert who studies emerging infections, said that the university, which had students on campus and held in-person classes...