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Measles confirmed as cause of death for infant with Amish lethal microcephaly in Pennsylvania

A six-week-old baby girl in Lancaster County died from measles, according to the county coroner, despite also having Amish lethal microcephaly.

The coroner of Lancaster County, Stephen Diamantoni, confirmed that a six-week-old baby girl died at home from measles. The child also suffered from Amish lethal microcephaly, a rare genetic disorder caused by a mutation in the SLC25A19 gene and present in roughly one in 500 Amish births, which usually leads to death within six months. Pennsylvania’s health department announced two recent measles fatalities, both involving infants, and Governor Josh Shapiro amplified the coroner’s findings via social media.

The situation has become contentious after anti-vaccine Health Secretary Robert F. Kennedy Jr. claimed the deaths might have been fabricated, a statement lacking evidence. The controversy was further fueled by the coroner’s remark that he had not received the death reports when the state initially announced them. Lancaster County relies on the state health department for public-health information.

Why it matters

It highlights a measles fatality in a vulnerable infant and fuels debate over vaccine misinformation.

How this story developed

  1. Aug 25 Two Unvaccinated Pennsylvanians Die from Measles, First Fatalities in 2026
  2. Aug 25 Senators Angela Alsobrooks and Raphael Warnock publicly called for Health and Human Services Secretary Robert F. Kennedy Jr. to resign.
  3. Aug 27 Letters reveal Robert F Kennedy Jr said his 2019 Samoa visit was to study the MMR vaccine, contradicting his Senate testimony that it had nothing to do with vaccines.
  4. Aug 27 Lancaster County coroner said the infant’s death was classified as measles‑associated rather than a direct measles death.
  5. Aug 28 Senator Ron Wyden publicly called for a DOJ criminal investigation of Secretary Kennedy, and Kennedy’s remarks on Pennsylvania measles deaths were criticized by Governor Josh Shapiro.
  6. Aug 29 Case count rose to 460 with infections in 31 counties.
  7. Aug 31 The CDC publicly questioned the state's reporting of the deaths on social media.
  8. Sep 1 New reporting highlights that measles can cause immune amnesia, potentially obscuring additional deaths beyond those directly attributed to the disease.
  9. Sep 1 CDC removed the two Pennsylvania deaths from its national measles mortality count pending further review.

In this story

measlesinfant deathAmish lethal microcephalyvaccination controversypublic health
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