CDC wastewater also shows the XFG variant — nicknamed stratus — is most common in the U.S. Stratus can cause a “razor blade” ...

The Stratus or XFG variant transmits easily and is spreading worldwide. Stratus is a combination of variants F.7 and LP.8.1.2 ...

The “Stratus” variant (XFG) was first identified in January in Southeast Asia. By June, it accounted for 14% of COVID cases ...

A new COVID variant is on the rise amid a nationwide summer surge of cases and it's on track to become the third most common ...

As the new ‘stratus’ variant spreads, several US states face sharp COVID-19 spikes ahead of school reopenings.

The XFG “Stratus” COVID-19 variant, now the third most common in the US, is surging in 12 states with high positivity rates.

The new XFG COVID variant, aka "Stratus," is spreading rapidly in the U.S. as cases rise. Here's what to know about the ...