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

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

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

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

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 ...

The XFG strain, nicknamed "Stratus," is the predominant variant currently circulating. It has been on the rise since May in ...

COVID-19 cases are rising across the United States, driven by new variants Stratus (XFG) and Nimbus (NB.1.8.1). While Stratus is anecdotally linked to hoarseness and Nimbus to severe sore throat, they ...

Federal data shows more emergency department visits for COVID across all ages. Wastewater testing confirms that the new XFG variant that’s been nicknamed stratus is now the most common in the U.S.

The Stratus (XFG) variant, a recombinant subvariant of COVID-19, is rapidly spreading across the US and globally. While not ...

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