What is the mu variant? It’s a version of the coronavirus that was first identified in Colombia in January and has since caused isolated outbreaks in South America, Europe and the United States. The ...

(NEXSTAR) – The World Health Organization has identified another coronavirus variant that may have the ability to evade vaccine protections. The B.1.621 variant, also known as the “mu” variant, was ...

(NEXSTAR) – The World Health Organization has identified another coronavirus variant that may have the ability to evade vaccine protections. The B.1.621 variant, also known as the “mu” variant, was ...

The World Health Organization has added the "mu" strain to its list of COVID-19 "variants of interest." The strain, also know as B.1.621, was first documented in Colombia in January 2021 but didn’t ...

Despite the emergence of the more transmissible and vaccine-resistant mu variant of COVID-19, officials from the World Health Organization are calling the delta variant the “most concerning” strain.

As children head back to school across the country, a new Covid-19 Mu variant is emerging and has been detected in nearly every state. NBC News senior medial correspondent, Dr. John Torres, breaks ...

HOUSTON, Texas (KTRK) -- The World Health Organization has listed "mu", the newest COVID-19 variant, as a 'variant of interest'. Health officials say they are keeping a close eye on it, so we asked Dr ...

"We're keeping a very close eye on it," Fauci said of the Mu variant, but stressed the Delta variant was still dominant in the United States. The Mu variant, Fauci added, "has a constellation of ...

Mu variant tracker: These maps show WHO’s COVID-19 ‘variant of interest’ and where it’s spreading The mu variant, or B.1.621, was labeled a “variant of interest” by the World Health Organization. Here ...