Generic photo: a smallpox vaccine kit (CDC) — not a measles vaccine and not a measles patient.
The Centers for Disease Control and Prevention has added a third U.S. measles death to its national tracker as total cases for 2026 surpass 4,400, The Hill reports. The grim milestone underscores how far the once-eliminated disease has roared back.
The Department of Health and Human Services told Reuters that the CDC updated its count after the National Center for Health Statistics received a report of a measles-related death and verified the disease was the underlying cause. The agency's database does not specify when or where the death occurred. According to the statement, the CDC is working with the Council of State and Territorial Epidemiologists to develop a standardized case definition for deaths due to measles.
The national surge is being driven by state outbreaks, above all in Pennsylvania, where more than 1,280 cases have been reported across 42 counties, including infections in 66 pregnant women. Nationwide, the CDC counted 4,410 confirmed cases as of its October 15 update — the most in more than three decades, and double the 2025 total.
Nearly all of this year's cases — 96 percent — have been in unvaccinated people, according to the CDC. Two doses of the MMR vaccine are about 97 percent effective at preventing measles, yet vaccination rates have slipped in pockets of the country, giving the virus room to spread. Health officials are urging anyone without immunity to get vaccinated now.
The United States eliminated measles in 2000, and the current surge — the most cases in more than three decades — shows how quickly hard-won gains unravel when vaccination slips. With conventional messaging failing to reach a growing share of the population, STAT reports that public health leaders are even floating door-knocking campaigns to persuade hesitant families one household at a time.
Photo: James Gathany / CDC, public domain, via Wikimedia Commons