Since the beginning of the year, 1,004 measles cases have been registered in the U.S. state of Pennsylvania, including 198 hospitalizations and five deaths. About one-third of those infected are people under the age of 18. The Hill reports on the updated data from the state health department.
Pennsylvania has the highest absolute number of measles cases among U.S. states. According to the U.S. Centers for Disease Control and Prevention, South Carolina, which ranks second, reported 670 cases — more than 300 fewer.
Only last week, the number of cases in Pennsylvania exceeded 900. This year has become the worst for measles spread in the United States in a decade: nearly 4,000 cases have been confirmed nationwide.
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Utah and South Carolina surpass Pennsylvania in the number of cases per capita. Utah records about 15 cases per 100,000 residents, South Carolina about 12, while in Pennsylvania the figure stands at seven to eight cases per 100,000 people.
Vaccination coverage among kindergarten students in Pennsylvania in the 2025–2026 school year was estimated at 92.7%. Since the beginning of the year, employees of the state health department have administered approximately 8,800 doses of the MMR vaccine against measles, mumps and rubella. The full course of this vaccine consists of two doses.
