COVID-19 can dull your sense of smell for years after you have it

A new U.S. study shows that COVID-19 may dull the sense of smell for years. Using a 40-odor test, researchers found that about 80% of participants who noticed changes after infection scored poorly, even two years later. Some people may be affected without realizing it.

Source: https://talker.news/2025/09/25/covid-19-can-dull-your-sense-of-smell-for-years-after-you-have-it/