One symptom of COVID-19 is a loss of your sense of smell,
and some Harvard researchers are offering some reasons why that happens.
Apparently, the virus affects the function of supporting cells in the neurons
of the olfactory system.
The good news is this implies that your loss of smell won’t
be permanent once you’re well, they said. A separate group of researchers found
the sense comes back in about four weeks.
SOURCE: Fox
News July 29, 2020