Pennsylvania Measles Outbreak Exceeds 1,000 Cases, Five Deaths Confirmed
As of October 7, 2026, Pennsylvania has confirmed 1,078 measles cases across 41 counties, with five associated deaths and 207 hospitalizations. This outbreak represents the largest since measles was declared eliminated. The Pennsylvania Department of Health is conducting extensive outreach and vaccination efforts, administering over 5,700 MMR doses at pop-up clinics. Less than 1% of confirmed cases are among vaccinated individuals, highlighting the vaccine’s effectiveness.
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