Measles Outbreaks Surge in US, Threatening Elimination Status Amidst Falling Vaccination Rates

The United States is experiencing a significant rise in measles outbreaks in 2026, with 4,852 recorded cases by October 30, more than double the caseload from 2025 and the highest total in 35 years. This surge, coupled with declining vaccination rates and recent changes to childhood immunization schedules, raises concerns that the US may lose its measles elimination status, which was achieved in 2000.