Pennsylvania measles outbreak reaches 676 cases and 124 hospitalizations
The outbreak has expanded to 676 cases across 37 counties, with 124 hospitalizations and four infections among age-appropriately vaccinated people. Pop-up clinics have delivered about 4,100 doses, while disputed death classifications and a proposed 502-page disease-rule rewrite create continuing public-health oversight questions ahead of the September 21 comment deadline.
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Updated Sep 15, 2026