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

The state logged 102 new cases in a week, and Lancaster County reached 391 cases as officials linked the outbreak to low vaccination.

  • 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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59 Articles

abc 7 NYabc 7 NY
+7 Reposted by 7 other sources
Center

Measles cases surpass 1,000 in Pennsylvania amid the state's largest outbreak in decades

Measles cases in Pennsylvania have surpassed 1,000 so far this year as the state continues to battle an outbreak of the virus, according to the state health department.

·New York, United States
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Lean Left

Over 1,000 cases of measles have been reported in PENNSYLVANIA.

·Zagreb, Croatia
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El DiarioEl Diario
+2 Reposted by 2 other sources
Center

The United States has been going through its worst year of measles since 1991, with almost 3,900 cases reported, according to the Centers for Disease Control and Prevention.

Lean Right

Pennsylvania faces the largest outbreak of measles in decades, with more than 1,000 cases and five deaths.Low vaccination is a key factor.In the U.S., measles resurfaces strongly, surpassing figures from 1991.The fall in vaccine coverage has facilitated the spread of the virus.

·Buenos Aires, Argentina
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  • 66% of the sources are Center
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LancasterOnline broke the news in Lancaster, United States on Friday, October 2, 2026.
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