U.S. health officials are monitoring a new COVID variant, XEC, that has been identified in half the states in the country. CBS News medical contributor Dr. Celine Gounder has more.
Sep 20, 2024 - 10:00
U.S. health officials are monitoring a new COVID variant, XEC, that has been identified in half the states in the country. CBS News medical contributor Dr. Celine Gounder has more.