June 11, 2026- Six months into the year, 2026 is on track to set the record for the highest number of measles cases recorded in the United States in three decades. As of June 4, approximately 2,030 measles cases from 30 separate outbreaks have reached 38 states and Washington, DC, since the beginning of 2026, according to the Centers for Disease Control and Prevention.
Cases previously reached a 30-year high in 2025, with 2,242 confirmed infections across 45 jurisdictions for the entire year. Nearly 90% of cases were directly linked to 45 known outbreaks, and 93% of infections were contracted by unvaccinated people or those with an unknown vaccination status, according to USA Today.
Continue Reading here from the CDC.