The U.S. is coming down from its biggest COVID summer surge yet as a new subvariant emerges—but new vaccines are here, too.
Researchers are tracking the latest COVID strain "spreading rapidly" in parts of Europe. Here's what we know about variant ...
A new Covid variant, XEC, first identified in Germany, may become dominant. Although vaccines remain effective against severe ...
The XEC variant of Covid-19 is showing no signs being a potential variant of concern, particularly in Europe, where it has ...