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Pennsylvania's Measles Outbreak Is the Largest in Decades in the US

Health officials said 198 people have been hospitalized, and only four of the 1,004 patients were vaccinated.

  • On Monday, the Pennsylvania Department of Health reported 1,004 measles cases across 39 counties, with Lancaster County remaining the epicenter at 391 confirmed infections.
  • Health officials trace the outbreak to April west of Philadelphia, where vaccination coverage fell below the 95% threshold needed for herd immunity.
  • Pennsylvania reports a 20% hospitalization rate among its 977 patients, more than double the national 9% figure, with 69% of cases involving adults rather than children.
  • Five residents have died from measles, though the Centers for Disease Control and Prevention only recently added the fatalities to its dashboard after initial delays in federal reporting.
  • International health officials will meet in November to assess whether the U.S. has lost its measles-free status, as the nation endures its worst year for measles since 1991.
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Pennsylvania measles cases reach more than 1,000. Track outbreaks in your state

Measles cases have surged in 2026, and Pennsylvania reported more than a thousand cases as of Monday.

·Albuquerque, United States
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Hola NewsHola News
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New York, Oct 5 (EFE).- New York declared a state emergency this Monday due to the increase in measles cases, while the state of Pennsylvania exceeded 1,000 infections this 2026, in a rebound that has led the U.S. to record its worst year of measles since 1991. The governor of New York, [...] The New York entry declares measles emergency and Pennsylvania exceeds 1,000 cases was first published in HolaNews.

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The country accounts for almost 3,900 people affected by this disease in 2026.

·Madrid, Spain
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LancasterOnline broke the news in Lancaster, United States on Friday, October 2, 2026.
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