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 ...

The XFG variant of the severe acute respiratory syndrome coronavirus 2 as continued to spread as the U.S. heads into peak Summer travel season. (Photo by I RYU/VCG via Getty Images) There’s another ...

Symptoms appear to be similar to other COVID variants, the WHO says. Cases of the new COVID-19 variant NB.1.8.1, a descendent of the Omicron variant, are on the rise in some parts of the world, ...

Lambda: Lambda or C.37 was designated a WHO Variant of Interest in June. The CDC doesn't mention it. Mu: Mu or B.1.621 caused a flurry of fear when it was declared a WHO Variant of Interest in August, ...

This latest iteration of the coronavirus has quietly but steadily established a foothold across Europe, the Americas, and the Western Pacific, prompting health authorities to closely monitor its ...

Up to 5% of Americans may carry genetic variants associated with cancer risk, according to a cross-sectional analysis.The ...