The Centers for Disease Control and Prevention listed the COVID-19 delta variant as one of its "variants of concern" (VOCs) on June 15. According to the CDC, VOCs can be more contagious, more ...

(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 ...

Share on Pinterest A new SARS-CoV-2 variant of interest has emerged. Christoph Hetzmannseder/Getty Images The World Health Organization (WHO) identified Mu (B.1.621) as a new SARS-CoV-2 variant of ...

The mu variant is the fifth variant strain to earn the title of "variant of interest" from the WHO. Among the other variants tracked by the WHO is the delta variant — a mutant strain proven to be more ...

Sep.13 -- World Health Organization Special Envoy for Covid-19 David Nabarro says the mu variant, the main cause of infections in Colombia, shows that the coronavirus pandemic is an "ongoing battle" ...

The fast-spreading delta variant remains the "most concerning" coronavirus strain despite the emergence of the mu variant, World Health Organization officials said Tuesday. The mu variant, which was ...

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 ...

SAN FRANCISCO (KGO) -- The R1 variant is the new strain of COVID-19 researchers are keeping a close eye on. The CDC identified "multiple spike protein mutations" in this variant. "The R.1 variant does ...

It's been less than a month since health officials reported the first known case of a new and more contagious coronavirus variant in Texas. The man, a Harris County resident, had no travel history.

Does it spread more easily? Make people sicker? Mean that treatments and vaccines won’t work? Questions are multiplying as fast as new variants of the coronavirus, especially the one moving through ...