Pediatric Deaths during Measles Outbreak, Jerusalem, Israel, 2025-2026.

Of 1,289 measles case-patients during April 2025-March 2026 in Jerusalem, Israel, 11 children died, a measles-specific mortality rate of 1.1 deaths/100,000 population. The measles-specific mortality rate among children <5 years of age was 7.7 deaths/100,000 population but 80.1 deaths/100,000 population in 6 neighborhoods populated by ultraorthodox Jews, a 47% measles-attributed death fraction.