CDC and Pennsylvania Clash Over Measles Deaths Amid Record U.S. Outbreak

In August 2026, Pennsylvania health officials confirmed that two unvaccinated people had died from measles, the first such deaths in the state in 35 years. These fatalities were reported as part of a growing nationwide outbreak. According to Scientific American and other outlets, the U.S. had already recorded thousands of measles cases by mid-year, breaking records not seen since the early 1990s.

The two Pennsylvania deaths quickly became a flashpoint. Both victims were unvaccinated, and at least one was an infant, NBC News reported. The state's health department emphasized the importance of vaccination, as declining rates were believed to be fueling the outbreak.

On August 25, state and national outlets reported the Pennsylvania deaths, noting the rising toll of the outbreak. The story gained political traction almost immediately. Health Secretary Robert F. Kennedy Jr. publicly questioned the accuracy of the reported deaths, according to The Hill and Forbes. Governor Josh Shapiro accused federal officials of undermining trust in vaccines.

The controversy intensified over the next several days. By August 27, NBC News revealed that a local coroner did not believe measles was the direct cause of the infant's death, suggesting it was due to a ruptured spleen. Meanwhile, the CDC became involved, and according to Mint and The Hill, began questioning Pennsylvania's classification of the deaths.

By the end of August, the CDC, led by Director Erica Schwartz, had removed the two Pennsylvania deaths from its official national measles death count. This move broke with longstanding CDC practice and drew criticism from some public health experts. Outlets like Guardian Health and Al Jazeera highlighted the unusual nature of the CDC's decision and the resulting confusion about how measles deaths are reported.

As of early September, the CDC and Pennsylvania state officials remain at odds. The CDC has excluded the two deaths from its weekly report, while state health authorities stand by their initial assessment. This disagreement comes during the largest U.S. measles outbreak in over three decades, with vaccination rates still under scrutiny.

National debate continues, with political figures and public health officials weighing in on the accuracy of death reporting and the risks of vaccine misinformation. The situation has also drawn attention to broader issues of trust in public health data and the politicization of disease outbreaks.

It remains unclear whether the CDC will revisit its decision or if Pennsylvania will release more detailed medical findings. The dispute has heightened calls for clearer national standards on attributing deaths to infectious diseases. Ongoing public debate may influence future vaccine policy and reporting practices.