Measles outbreak in US climbs past 4,000 cases as deaths mount
Pennsylvania has the country's worst outbreak, with six deaths reported, while Kentucky's count rose to 157 confirmed cases across 13 counties.
By Standard Topic. AI-generated from the reporting listed under Coverage. Published . Updated .
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What happened
US measles cases for the calendar year have passed 4,000, the first time in decades. Pennsylvania has more than 1,000 infections in 2026, and a local coroner confirmed its sixth death from the disease. Kentucky's outbreak reached 157 confirmed cases across 13 counties as of Wednesday.
Why it matters
Pennsylvania's outbreak has led to 198 hospitalizations. New York's governor has declared a statewide health emergency as cases rise in rural counties.
Timeline
- Oct 11, 11:30 PM ET: US measles cases for the year pass 4,000 for the first time in decades.
- Oct 12, 2:48 AM ET: Pennsylvania passes 1,000 infections, with 198 hospitalizations, and New York Gov. Kathy Hochul declares a statewide health emergency.
- Oct 12, 12:57 PM ET: A local coroner confirms the sixth measles death in Pennsylvania.
- Oct 14, 12:20 PM ET: Kentucky reports 157 confirmed measles cases across 13 counties as of Wednesday.
Coverage
- Kentucky measles outbreak surpasses 150 cases, health officials urge vaccination (lex18.com)
- More than 150 measles cases now confirmed in Kentucky outbreak (wymt.com)
- New case of measles confirmed in Kentucky (wkyt.com)
- Kentucky hits the 100-case mark in measles — highest case load in this Century (nkytribune.com)
- Measles hits the 100-case mark in Kentucky (kentuckylantern.com)
- Pennsylvania measles outbreak tops 1,200 as CDC sends investigator
- Pennsylvania measles outbreak grows past 1,200 cases as CDC sends help
- Pennsylvania measles outbreak grows to 1,260 cases in 43 counties
- Pennsylvania measles outbreak grows as CDC sends help amid dispute
- Colorado measles case may have exposed people at Denver airport
- Measles cases spread across several U.S. states as outbreaks grow
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