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Allegheny County’s Measles Protection Is Eroding as Kindergarten Coverage Slips
Newly cited data suggest herd immunity for measles is already absent in roughly one-third of kindergarten classrooms in Allegheny County, underscoring how local declines in vaccination can narrow the margin of safety.
Key Takeaways
- Medical Xpress says herd immunity for measles is absent in one in three kindergarten classrooms in Allegheny County.
- The report cites data obtained by The Washington Post in January 2026.
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DT Editorial Team··via medicalxpress.com