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.

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

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

The Stratus or XFG variant transmits easily and is spreading worldwide. Stratus is a combination of variants F.7 and LP.8.1.2 ...

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

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 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 ...

The XFG variant, known as "Stratus," is gaining traction in the U.S., rising to 14% of cases since May. While the WHO ...

Known officially as XFG, the variant was first detected in Southeast Asia back in January. For months, it flew under the ...

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

A new COVID-19 variant is climbing the ranks in the United States, becoming the third-most common strain of the summer.