
“Women overall, have, on average, a more acute sense of smell than men,” Patel said. It could be that women are not more likely to struggle with recovery, but are more perceptive of a prolonged deficit in their ability to smell.

Patel suspects the true rate of smell dysfunction among those who have experienced Covid-19 could be above 20%.

“The true number of people affected is likely to be far higher than our estimate.” “Many previous studies have shown that objective smell testing can identify far more people with smell loss than if we asked them to self-report,” wrote Professor Song Tar Toh, an author of the study and head of the the department of Otolaryngology-Head & Neck Surgery at Singapore General Hospital, in an email.
