The new XFG COVID variant, aka "Stratus," is spreading rapidly in the U.S. as cases rise. Here's what to know about the ...

A new COVID variant is on the rise amid a nationwide summer surge of cases. Positive cases in Mississippi are climbing. What ...

A new COVID-19 variant, “Stratus” (XFG), is spreading in the US, with western and southern states reporting the highest ...

Twelve states are seeing higher positivity rates for COVID-19 tests compared to the rest of the country, according to new ...