Updated November 19, 2020
Thomas A. Russo, MD, professor of medicine and chief of the Division of Infectious Diseases, is quoted in reports on coronavirus immunity and the possibility of reinfection. “We don’t know if they just didn’t develop a good immune response beforehand or if they have some sort of genetic nuance that make them more susceptible,” said Russo, on why a select few people have been infected with COVID-19 twice.