A new COVID-19 variant called Stratus, or XFG, is spreading in America. It was first found in Southeast Asia. The CDC says it ...

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

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

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 ...

A new COVID-19 variant, known as XFG and nicknamed “Stratus,” has quickly become the dominant strain in the United States, ...

COVID-19 infections are climbing across nearly the entire country as the U.S. enters what experts call an expected summer ...

A new strain of COVID-19 known as Stratus that is spreading worldwide has been detected in Arizona.

A new COVID variant is on the rise amid a nationwide summer surge of cases and it's on track to become the third most common ...

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

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