January 15, 2026- At least 171 measles cases have been confirmed in the U.S. so far this year, according to newly updated data from the Centers for Disease Control and Prevention (CDC). According to ABC News, cases have been confirmed in nine states, including Arizona, Florida, Georgia, North Carolina, Ohio, Oregon, South Carolina, Utah and Virginia. Most of the new cases are concentrated in areas with large ongoing outbreaks — in the upstate region of South Carolina and along the Utah-Arizona state line, according to CNN Health.