As COVID-19 variant XBB.1.5 declines in prominence, the CDC began tracking new omicron variants June 23, including XBB.1.5 descendant EU.1.1. In the U.S., 1.7 percent of COVID-19 infections are from EU.1.1, and in the Northwest region including Montana, Wyoming, Utah, Colorado and the Dakotas, the variant already accounts for 8.7 percent of cases. It is […]