Recent estimates published by the U.S. Centers for Disease Control and Prevention (CDC) show that the XEC COVID-19 variant is now circulating inside the United States.
According to the CDC’s Nowcast tracking tool, XEC makes up about 10 percent of all COVID-19 cases reported in the country as of Oct. 13. It’s now the No. 2 most common COVID-19 strain in the country, behind the K.P.3.1.1 variant that emerged earlier this year.