A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to know about symptoms and vaccines.

The XEC variant has been detected in at least 27 U.S. states so far, and some experts are projecting that XEC could be on track to become the dominant strain this fall.

The side effects of newly discovered COVID-19 strain XEC might not be as severe, but is part of the more contagious variant class, experts say. The Centers for Disease Control and Prevention (CDC ...

A new and contagious COVID variant known as XEC, which has been spreading rapidly in other countries over the last few months, has reportedly made its way to Chicago.

COVID XEC variant has been confirmed in 27 countries in Europe, North America and Asia, according to data specialist Mike Honey, as the strain grows.

The latest strain of the COVID-19 virus, XEC, is circulating across the country. The new variant has been reported in at least 25 U.S. states, according to reports.

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.

A new variant has entered the COVID-19 picture, and scientists have warned that it might soon surge to dominance. XEC, which was first identified in Germany in June, has now been spotted in ...

New COVID XEC variant explained: Symptoms, spread and what to know as fall, winter approach The variant has been largely spreading abroad, with countries like Denmark, Germany, the UK and the ...

The XEC variant has spread across 27 countries, including France and the US, infecting more than 600 people.

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 ...