Covid study finds millions have long-term smell or taste problems

Researchers say about 5% of infected adults may develop long-lasting changes to sense of smell or taste

Millions of people worldwide may have long-term smell or taste problems as a result of Covid-19, with women more likely to be affected, a study suggests.

About 5% of adults infected with the coronavirus may develop long-lasting changes to their sense of smell or taste, according to the research published in the BMJ.