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

The XEC COVID variant is in the U.S. A UT infectious disease specialist says there's likely no need to panic, as the strain is similar to existing ones.

The XEC variant has reportedly been identified in 15 countries across the world, with experts warning the strain could be the 'next' to spread. While the UK Health Security Agency has yet to provide detailed data on the strain,