COVID-19 cases are rising again in the United States, and the "stratus" variant might be to blame. The big picture: A summer ...

The CDC remarks the new COVID-19 variant Stratus XFG as the third most common variant circulating in the United States.

Variant XFG, colloquially known as "Stratus," was first detected in Southeast Asia in January but accounted for less than ...

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

The summer surge of COVID-19 in the United States is intensifying, with nationwide wastewater activity climbing from “low” to ...

COVID-19 is surging again, indicated by rising wastewater levels and infections across many states. A new variant, Stratus ...

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

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

The data, from the Centers for Disease Control and Prevention, also showed a significant increase in COVID-related emergency ...