COVID-19 rates in the Southwestern United States reached 12.5% — the highest in the nation. It comes as California students ...

COVID-19 cases are rising across the U.S., with Texas among the hardest hit. Experts say the Stratus variant and summer ...

COVID-19 variant XFG accounted for 0% of U.S. cases in May. By late-June, it became the third-most common strain.

Stratus' is the new COVID variant growing in the U.S. and the rest of the world. However, COVID-19 cases are down in ...

A new COVID-19 variant, Stratus (XFG), has been detected in Arizona and is spreading globally. Stratus is a descendant of the ...

The “Stratus” variant (XFG) was first identified in January in Southeast Asia. By June, it accounted for 14% of COVID cases ...

COVID-19 activity is rising in much of the country. Data shows overall respiratory virus spread is very low in the U.S.

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 called Stratus, or XFG, is spreading in America. It was first found in Southeast Asia. The CDC says it ...

Western states appear most at risk for COVID-19 cases right now, according to the Centers for Disease Control and Prevention, as the "stratus" variant and other versions of the virus circulate ...