The split between the AAP and the federal government highlights growing tensions in public health policy under the Trump ...

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

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

COVID-19 cases are rising across the U.S., with Texas among the hardest hit. Experts say the Stratus variant and summer ...

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

COVID-19 rates in the Southwestern United States reached 12.5% — the highest in the nation. It comes as California students ...

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 ...

A new COVID-19 variant is climbing the ranks in the United States, becoming the third-most common strain of the summer. Variant XFG, colloquially known as "Stratus," was first detected in Southeast ...