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

A new COVID-19 variant, known as XFG or “Stratus,” is surging across the United States, swiftly becoming the third-most ...

The new COVID-19 variant, XFG or "Stratus" originates from mutations of variants F.7 and LP.8.1.2. It appears less contagious ...

XFG is a recombinant of variants F.7 and LP.8.1.2, the latter now 2nd most common in the US. It may evade immunity better but doesn’t spread faster.