Scientists are piecing together why some people lose their sense of smell after contracting COVID-19.
A study published Monday in the journal Nature Genetics identified a genetic risk factor associated with the loss of smell after a COVID infection, a discovery that brings experts closer to understanding the perplexing pattern and may point the way toward much-needed treatments.
Six months after contracting COVID, as many as 1.6 million people in the United States are still unable to smell or have experienced a change in their ability to smell.
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For more on this story, go to NBC News.