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Pan American Health Organization stories

Nov 6, 2026

US measles cases surpass 5,000, highest since 1991

US measles cases have climbed to 5,182 this year, the highest annual total in 35 years, threatening the country's long-held elimination status.

Nov 6, 2026·2 sources

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Top claims

▪Pennsylvania requested on-the-ground assistance from the CDC and received one specialist to assist state officials with data analysis and outbreak forecasting
▪The CDC reported that 96% of all US measles infections in 2026 occurred among individuals who were unvaccinated or whose vaccination status was unknown
▪Wisconsin reported the measles-associated death of an infant on November 5, 2026, marking the state's first measles mortality in decades

Topics

US Measles Surge Infectious Disease and Outbreaks Trump administration Centers for Disease Control and Prevention Government and Regulatory Policy Vaccination rates Measles outbreaks Vaccines and Immunization Policy

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