U.S. risks losing measles elimination status as outbreak persists into a second year
Public health officials warn that continued measles transmission could jeopardize the country’s elimination designation, with vaccination gaps and multiple outbreaks pushing the U.S. toward a formal review in 2026.
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The United States is approaching a pivotal public health threshold: ongoing measles transmission could cause the country to lose its measles elimination status.
Health experts traced the current surge to a long-running outbreak that began in early 2025, with spread across multiple states and continued vulnerability in under-vaccinated communities.
The report outlines how declining vaccination rates, misinformation, and public-health capacity challenges have complicated containment, raising the stakes for an international review in 2026.