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

Variant XFG, colloquially known as "Stratus," was first detected in Southeast Asia in January but accounted for less than about 0% of cases in the United States until May. By late June, it was ...

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 world is once again paying close attention to a new strain of the COVID-19 virus, dubbed Stratus XFG. Public health ...

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

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

The Centers for Disease Control and Prevention said a new COVID variant is spreading across the country. The variant is ...

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 ...

COVID-19 cases are rising in at least 40 states. Is the US in a summer wave? What to know about COVID trends and symptoms of ...