The US Centers for Disease Control and Prevention (CDC) has pivoted to using data from the National Center for Health Statistics (NCHS) for measles death counts, and not state data collected via the National Notifiable Diseases Surveillance System.
Despite Pennsylvania reporting four recent measles-associated deaths, two in babies and two in adults, the CDC website states, “The National Center for Health Statistics (NCHS) does not currently have any death records from 2026 that indicate measles is the underlying cause.”
The CDC website lists three deaths for 2025.
Experts say the move is confusing, as the NCHS data are meant to look at long-term morbidity and mortality trends, and not individual cases of infectious diseases.
“CDC will report measles deaths if and when the National Center for Health Statistics reports measles as the underlying cause of death,” said Emily Hilliard, a US Department of Health and Human Services spokesperson, in The Guardian.
Pennsylvania woman had measles at time of death
Yesterday the coroner in Jefferson County, Pennsylvania, confirmed that the 40-year-old woman who died over the weekend had an active measles infection at the time of death, as well as severe asthma and chronic obstructive pulmonary disease.
“The positive test result supports the determination that the decedent was suffering from an active measles infection at the time of death,” Jefferson County officials said on Facebook.
Today the coroner in Mifflin County confirmed a fourth death in an unvaccinated 18-year-old.