The Pan American Health Organization has announced that the United States has lost its measles elimination status, marking a significant public health concern. The country has experienced 5,412 confirmed cases in 2026, the highest in 35 years, largely among unvaccinated individuals. Experts link the resurgence to increased skepticism about vaccines and funding cuts for health initiatives. Pennsylvania is particularly affected, reporting over 1,500 cases and six deaths.
Key facts
- The U.S. has lost its measles elimination status as of November 2026.
- There have been 5,412 confirmed measles cases in 2026.
- The last time cases were this high was in 1991 with 9,643 cases.
- Pennsylvania has reported over 1,500 cases and six deaths.
- Vaccination rates must remain above 95% to maintain herd immunity.
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