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

As flu season nears, so do new COVID-19 variants. A newly discovered COVID strain known as XEC continues to spread rapidly across multiple countries, including the United States and California. First appearing in late June in Berlin,

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.