Scientists have warned that a “more contagious” variant of the Covid virus, dubbed XEC, is starting to spread more rapidly across Europe and could soon become the dominant strain.“At this juncture, the XEC variant appears to be the most likely one to get legs next,

The new and contagious XEC COVID-19 variant is spreading rapidly in several countries. Will it cause a surge in the U.S.? What to know about symptoms, vaccines and more