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

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.

“Midlife women often juggle caregiving, careers, and hormonal shifts that can strain the immune system,” Boden-Albala says.

The Stratus or XFG variant of COVID-19 is rapidly spreading across the US. Even though it may not be severe, doctors say it ...

The US is experiencing a summer surge in COVID-19 cases, with infections rising in 40 states, particularly in the South and ...

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

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 estimated to be growing in PA ...

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 ...