U.S. Measles Cases Surpass 2,000 in 2026, 93% Outbreak-Linked
The CDC reports 2,030 confirmed measles cases in the U.S. as of June 4, 2026, with 1,890 cases (93%) linked to outbreaks. This figure is rapidly approaching last year's full annual total. The surge in measles transmission reflects declining vaccination rates and increased outbreak activity across multiple jurisdictions. Medicaid managed care plans covering children are responsible for ensuring EPSDT compliance, including MMR vaccination coverage and outbreak response coordination with state and local health departments.
Medicaid MCOs face heightened regulatory scrutiny on pediatric immunization rates under EPSDT and HEDIS measures, plus potential encounter surge costs from outbreak-related emergency department visits and hospitalizations in covered populations.
Managed Care · Maternal · CHIP
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