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

The Public Health Center of Ukraine reported results from sequencing COVID-19 pathogens from patients in Poltava Oblast, ...

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

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

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 ...