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.

XFG causes a severe sore throat and hoarseness, hence the “razor blade COVID” nickname. Symptoms common to other variants ...

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 ...

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

The XFG strain, nicknamed "Stratus," is the predominant variant currently circulating. It has been on the rise since May in the United States and comprised 65% of variants in circulation as of Aug. 9, ...

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

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.

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

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