Pennsylvania records first 2 measles deaths in 35 years

Pennsylvania health officials announced Tuesday the state's first two measles deaths in 35 years. Both individuals who died were unvaccinated, and the cases occurred in Lancaster County.

State Health Secretary Dr. Debra Bogen highlighted that measles was largely eliminated in Pennsylvania over three decades ago, leading to a lack of public familiarity with the disease's potential severity. "As a physician, I want to make sure that people understand that the MMR vaccine is safe and provides the best protection we have against measles," Bogen stated.

Nationwide, measles cases are at their highest levels in 35 years. The Centers for Disease Control and Prevention reports that 92.4% of the nation's kindergarteners were vaccinated against measles during the 2025-26 school year, a decline from previous years. A vaccination rate of 95% is considered necessary for herd immunity.

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Because measles was largely eliminated in the Commonwealth for more than three decades, people are not familiar with this disease and don't fully understand the potential severity of the illness. We want to ensure every Pennsylvanian has the information they need to protect themselves, their loved ones and their communities. As a physician, I want to make sure that people understand that the MMR vaccine is safe and provides the best protection we have against measles.