WLWT: Mu Covid variant: What to know about new strain in Ohio, Kentucky, Indiana

The Mu COVID-19 variant has been added to the World Health Organization's watchlist as a "variant of interest" having been found in 45 countries around the world and all 50 United States.

"It means that they're watching it closely to see if it's going to be one that causes more problems for people," Carl Fichtenbaum, MD, of the Division of Infectious Diseases at the UC College of Medicine told WLWT-TV.

Fichtenbaum says it's the nature of viruses to mutate in an effort to stay alive.

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