Hybrid COVID variant XEC is more contagious: What to know about the new strain USA TODAYPandemic expert on new coronavirus strain: ‘No basis for concern’ Fox NewsNew XEC COVID Variant On The Rise: What Are Its Symptoms? TODAYNew Covid XEC variant starting to spread in Europe – what we know about signs and symptoms The IndependentWhat to know about COVID’s new XEC variant and how to stay healthy The Seattle Times