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 ...

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 ...

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 ...

As the number of patients hospitalized for COVID-19 continues to drop in Los Angeles County, falling to 1,480 as of Monday, health officials now have their eyes on the latest variant of the virus, ...

SAN JOSE, Calif. (KGO) -- As long as there is on-going COVID-19 transmission somewhere in the world, there will be new variants. That's according to infectious disease expert, Dr. Jorge Salinas with ...

The World Health Organization this week spotlighted a new and worrying COVID-19 variant it says might be resistant to vaccines. The mu strain accounts for a tiny fraction of all coronavirus cases in ...

SAN FRANCISCO -- 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 carry ...

Cases of the new COVID-19 variant NB.1.8.1, linked to a large surge in China, have been detected in multiple locations across the United States, according to the Centers for Disease Control and ...

While the delta COVID-19 variant is the dominant strain in the U.S., it’s now officially the dominant strain worldwide “by far,” officials from the World Health Organization said during a Sept. 21 ...