Penn Researcher Explains Why COVID-19 Affects Our Sense of Smell | 5 Questions

An early warning sign of a possible COVID-19 infection is losing one’s sense of smell. But why is that? What does it mean? And do people regain their sense of smell when they recover? One of the researchers studying these questions is Richard Doty, professor and director of the University of Pennsylvania Smell and Taste Center at the Perelman School of Medicine.