Richard Doty of the Perelman School of Medicine said it’s still not clear if the SARS-CoV-2 virus enters the olfactory bulbs, causing people with COVID-19 to lose their sense of smell. “The herpes virus can get into the brain through the olfactory pathway, so it's not beyond a possibility. But the jury's still out on whether the olfactory bulbs play a role,” he said.

January 23, 2022 ・ From ABC News