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Science & ResearchAug 18, 2026

County, district and community-level measles transmission in the United States in 2013-2025.

The United States declared measles eliminated in 2000.

The United States declared measles eliminated in 2000. In 2025-2026, more than 3,500 cases have placed that status under formal review. Vaccine hesitancy, accelerated by COVID-19 disruption and misinformation, has eroded the immunological buffers sustaining elimination. Current…

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