In the last month, the XFG variant has driven an increasing proportion of cases. As of Aug. 13, Stratus is now the ...

The CDC remarks the new COVID-19 variant Stratus XFG as the third most common variant circulating in the United States.

Fueled by a fast-growing new variant, COVID-19 infections are regaining ground just as summer travel peaks. New CDC ...

Beach trips and heat waves aren’t the only things rising this summer. COVID-19 signals are climbing nationwide, and two ...