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See the latest measles count for the Pennsylvania outbreak

2 verified updates • corroborated by 5 independent sources • tracked since September 16, 2026

• 🔵
  12:01 PM 4 sources: ABC News, AP News, Houston Chronicle, The Seattle Times

  How hospitals, clinics in Pennsylvania are responding to the measles outbreak - ABC News
• 🟡
  04:01 PM 1 source: The Washington Post

  See the latest measles count for the Pennsylvania outbreak