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

COVID-19 rates in the Southwestern United States reached 12.5% — the highest in the nation. It comes as California students return to the classroom after RFK Jr. nixed the CDC's recommendation that ...

The XFG strain, nicknamed “Stratus,” is the predominant variant currently circulating. It has been on the rise since May in ...