# Pa. Measles Outbreak Met With Both Defiance and a Rush to Vaccinate

> **Open Intelligence Dossier** · First detected: 2026-09-20 11:00 UTC · Category: Health

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*Canonical Source: https://pulse.byoviral.com/trend/2026-09-20/pa-measles-outbreak-met-with-both-defiance-and-a-rush-to-vaccinate*