At noon on June 18, 2026, the Centers for Disease Control and Prevention updated its official measles tracker with a figure that represents a public health milestone few anticipated reaching: 2,104 confirmed measles cases reported in the United States in 2026 alone. The cases span 41 jurisdictions — Alaska, Arizona, California, Colorado, Connecticut, the District of Columbia, Florida, Georgia, Idaho, Illinois, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Montana, Nebraska, New Jersey, New Mexico, New York City, New York State, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Texas, Utah, Vermont, Virginia, Washington, Wisconsin, and Wyoming — plus 11 additional cases in international visitors.
There are 30 active outbreaks in 2026, with 93% of cases — 1,957 of 2,104 — classified as outbreak-associated. Of those, 613 are linked to outbreaks that began in 2026; the remaining 1,344 trace back to outbreaks that started in 2025 and have continued without interruption.
