Key facts
- US measles cases have exceeded 2,000 in 2026.
- As of June 4, 2,030 cases have been confirmed.
- 93% of the cases, totaling 1,890, are associated with outbreaks.
- The current case count is approaching last year's full annual total.
The United States has surpassed 2,000 confirmed cases of measles in 2026, with the total reaching 2,030 as of June 4. The majority of these cases, 93 percent or 1,890, are linked to ongoing outbreaks. This current figure is rapidly approaching the total number of cases recorded for the entirety of the previous year. This marks the second consecutive year that measles cases have surpassed the 2,000 mark, a threshold not seen since 1992.