A new COVID variant, XEC, has arrived just before fall. The new variant has sprouted from the Omicron variant that developed in late 2021. Though XEC is new, Prof Francois Balloux, director of the Genetics Institute at University College London, told the BBC that he would be surprised if it became the dominant variant throughout winter.

A new COVID variant has emerged, with some scientists saying it could soon be the dominant strain of the virus. While global cases of the XEC variant remain small in number, it may "represent a sizeable proportion" of infections by the winter.

COVID-19 variant trackers are now closely watching the rise of a new virus variant called XEC, which has been spotted around the world and in half of states across the United States. Health officials are so far not raising concern about this variant,

The U.S. is coming down from its biggest COVID summer surge yet as a new subvariant emerges—but new vaccines are here, too.

The new "XEC" COVID-19 variant spreading rapidly in Europe has arrived in the US. What are the symptoms, will it cause a fall surge, and are vaccines effective? Experts discuss