[REVISION HISTORY]

Global measles resurgence and US reporting disputes

Updated 59 times since CLSTR started tracking revisions of this situation.

What changed

2026-10-25 18:10 UTC → 2026-10-26 17:36 UTC · added ~~removed~~

The 2026 global measles resurgence continues to escalate. In Bangladesh, the death toll has risen to ~~1,162,~~ over 1,200, with ~~the Directorate General of Health Services reporting 205,028 suspected~~ more than 220,000 recorded cases since mid-March. Experts ~~attribute~~ describe the ~~escalation to disruptions~~ epidemic as one of the deadliest in ~~routine immunization, specifically~~ the country’s history, noting that 94 percent of fatalities are children under five. The crisis is linked to a ~~September 2025 decision~~ deteriorating immunization system where only 82 percent of children are up-to-date on vaccinations, falling short of the 95 percent target. Factors contributing to ~~halt~~ the scale include gaps in vaccine ~~purchases through UNICEF. Similarly, Uganda is preparing a massive vaccination drive~~ procurement and disruptions to government services following the fall of former Prime Minister Sheikh Hasina. Health officials warn of imminent risks for ~~7.47 million children, while India reports localized concerns in Kerala.~~ further outbreaks of diphtheria, pertussis, and polio. In Europe, declining childhood vaccination rates have led to significant outbreaks, notably in Italy, where over 90% of infections involve unvaccinated individuals. The Americas are facing a significant surge, with the Pan American Health Organization (PAHO) reporting 55,792 confirmed cases and 77 deaths between January and October 2026—a 4.8-fold increase over 2025. Guatemala and Mexico report the highest case counts, while the United States, Peru, and Canada account for 99.5% of the region's infections. ~~PAHO warned of high transmission risks due to upcoming religious mass gatherings in South America.~~ In the United States, the surge has reached its highest levels since 1991. The CDC has reported ~~4,588~~ over 4,580 cases in 2026, doubling the 2025 ~~total, with at least 43 active outbreaks.~~ total. Approximately 96% of cases involve individuals who are unvaccinated or have an unknown vaccination status. Pennsylvania remains a primary ~~epicenter; the state has reported~~ epicenter, reporting over 1,300 cases and six deaths, including ~~a recent fatality~~ two infants. The outbreak has significantly impacted Amish communities in ~~Franklin County.~~ Lancaster and Mifflin counties. This has sparked political tension between Pennsylvania Governor Josh Shapiro and Health Secretary Robert F. Kennedy Jr. regarding death classifications. ~~In New York, Governor Kathy Hochul has declared a state disaster emergency to expand vaccine administration authority.~~

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