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

COVID-19 cases are trending up in Colorado and nationwide. The big picture: A summer uptick isn't unusual. But the latest ...

Central Texas doctor's offices and care centers have noticed the annual summer COVID-19 spike in cases has been happening in ...

CDC tracks rising COVID cases in 45 states; NB.1.8.1 “Nimbus” leads U.S. infections while severe illness remains low.