Mysteries of COVID Smell Loss Finally Yield Some Answers
By Stephani Sutherland, About The Author S, Stephani Sutherland Is A Neuroscientist, Science Writer Based In Southern California., Credit, Nick Higgins, Recent Articles
Posted in Insane
When he was finally able to get tested weeks into his loss of smell, or anosmia, he tested negative. Olfactory neurons do not have angiotensin-converting enzyme 2 (ACE2) receptors, which allow the virus entry to cells, on their surface. Researchers have found a few clues about the loss of smell, but they are less certain about how the virus causes a loss of taste. “With long-term postviral smell loss from the flu, after six months, there is a 30 to 50 percent chance of spontaneous recovery” without any treatment, she adds. These are two completely separate phenomena.” That should reassure Sawbridge and Kantor—and the millions of others worldwide affected with COVID-related smell loss.