Coverage dated October 4, 2026 to October 11, 2026

U.S. measles cases surpass 4,000, with over 25 percent coming from Pennsylvania

Headline from News Nation Now, on the newest of 2 developments

There have been 42 separate measles outbreaks so far in 2026, with 96 percent of confirmed cases being outbreak-associated.

News Nation Now's own description from its feed. We collect headlines and these descriptions, not full articles; read the original reporting below.

Earlier updates in this story

Developments in this update

2 dated developments, oldest first, newest marked. Each is named by one outlet's own headline; open its reports to see every outlet that covered it.

  1. Measles update: PA now just shy of 1,100 cases

    Headline from ABC 27 Harrisburg ·

  2. Newest

    U.S. measles cases surpass 4,000, with over 25 percent coming from Pennsylvania

    Headline from News Nation Now ·

4 reports not tied to one development ·

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Reports & sources

71 articles, oldest first.

  1. The Guardian

    Pennsylvania health officials brace themselves as measles outbreak expected to spread (opens The Guardian)

    Published

    The Guardian's feed description

    Most counties don’t have their own health agencies, and some specific population groups have low vaccination rates Pennsylvania is bracing for a wave of measles cases, with some public health officials concerned that it’s “only a matter of time” until the disease spreads beyond the outbreak’s epicen…

  2. NBC Los Angeles

    Pennsylvania's measles outbreak is the country's largest in three decades (opens NBC Los Angeles)

    Published

    NBC Los Angeles's feed description

    The measles virus, paramyxoviridae from the Morbillivirus family, transmission microscopy view. (Photo by: BSIP/Universal Images Group via Getty Images)

  3. NBC10 Philadelphia

    Measles cases rise above 1,000 in Pennsylvania, officials say (opens NBC10 Philadelphia)

    Published

    NBC10 Philadelphia's feed description

    The number of measles cases reported in Pennsylvania in 2026 has reached more than 1,000 people, health officials said Monday, Oct. 5. The total number of cases reported in the Commonwealth in 2026 has reached 1,004, officials said. According to CDC data last updated on Oct.

  4. Bangor Daily News

    Pennsylvania’s measles outbreak is the largest in decades in the US (opens Bangor Daily News)

    Published

    Bangor Daily News's feed description

    NEW YORK (AP) — Pennsylvania has surpassed 1,000 measles cases this year, state health officials said Monday, making it the largest state outbreak in more than three decades. The U.S. is enduring its worst year for measles since 1991, with nearly 3,900 reported cases, according to the CDC.

  5. PA Home Page

    More than 1,000 measles cases confirmed in Pa. (opens PA Home Page)

    Published

    PA Home Page's feed description

    (WBRE/WYOU) — The Pennsylvania Department of Health reported Friday that there are now 1,004 confirmed measles cases in the Commonwealth, 27 more than Friday’s update. Of those 1,004 cases, 196 are hospitalized and less than 1% are fully vaccinated.

  6. Pittsburgh Post-Gazette

  7. ABC News

    Measles cases surpass 1,000 in Pennsylvania amid state's largest outbreak in decades (opens ABC News)

    Published

    ABC News's feed description

    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.

  8. Anchorage Daily News

    Pennsylvania’s measles outbreak is the largest in the U.S. in decades (opens Anchorage Daily News)

    Published

    Anchorage Daily News's feed description

    It’s been decades since a U.S. state has seen an outbreak surpass 1,000 cases, stretching back to a multiyear outbreak in New York City in the early 1990s.

  9. ABC 27 Harrisburg

    Pennsylvania reaches more than 1,000 confirmed measles cases (opens ABC 27 Harrisburg)

    Published

    ABC 27 Harrisburg's feed description

    (WHTM) -- Pennsylvania has reached over 1,000 reported measles cases in 2026. The state's Department of Health announced Monday that there are 1,004 measles cases confirmed across 39 different counties. Most confirmed cases have been reported in Lancaster County, with 391 cases.

  10. ABC 30 Fresno

    Measles cases surpass 1,000 in Pennsylvania amid the state's largest outbreak in decades (opens ABC 30 Fresno)

    Published

    ABC 30 Fresno's feed description

    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.

  11. The Guardian

    Pennsylvania faces largest measles outbreak in decades as case count rises to 1,000 (opens The Guardian)

    Published

    The Guardian's feed description

    Neighboring states are also reporting hundreds of cases, with over 3,800 recorded across the country Pennsylvania has surpassed 1,000 measles cases this year, state health officials calculate, making it the largest state outbreak in more than three decades.

  12. The Hill

    Pennsylvania measles cases pass 1K mark amid outbreak (opens The Hill)

    Published

    The Hill's feed description

    Pennsylvania has now recorded more than 1,000 measles cases as of the state's most recent update, exceeding the other state outbreaks by hundreds. The Pennsylvania Department of Health's updated dashboard on Monday recorded 1,004 total measles cases in the state so far this year, including 198 hospi…

  13. Philadelphia Inquirer

    Pennsylvania has logged 1,000 measles cases, among the biggest outbreaks in decades (opens Philadelphia Inquirer)

    Published

    Philadelphia Inquirer's feed description

    The outbreak has spread to more than half of Pennsylvania's 67 counties.

  14. The Columbian

    Pa.’s measles outbreak largest in decades (opens The Columbian)

    Published

    The Columbian's feed description

    NEW YORK — Pennsylvania has surpassed 1,000 measles cases this year, state health officials said Monday, making it the largest state outbreak in more than three decades.

  15. HuffPost

    Pennsylvania's Measles Outbreak Is The Largest In US Since 1991 (opens HuffPost)

    Published

    HuffPost's feed description

    Pennsylvania has more than 1,000 measles cases this year, making it the largest state outbreak in decades.

  16. Just the News

    Pennsylvania reports 1,000-plus measles cases, largest state outbreak in three decades (opens Just the News)

    Published

    Just the News's feed description

    The nearly 3,900 cases that have been reported so far this year in the U.S. is the most since 1991, according to the Centers for Disease Control and Prevention.

  17. Deutsche Welle

    Measles cases are spreading in the US this year, with over 1,000 infections reported in Pennsylvania (opens Deutsche Welle)

    Published

    Deutsche Welle's feed description

    A measles outbreak in Pennsylvania has topped 1,000 cases, with neighboring New York declaring a disaster emergency and mobilizing measures to fight the spread.

  18. WFMZ Allentown

    Pennsylvania surpasses 1K confirmed measles cases (opens WFMZ Allentown)

    Published

    WFMZ Allentown's feed description

    “Yes, we are having a measles outbreak in Pennsylvania, and we are encouraging people who are not vaccinated to please get vaccinated.”

  19. NBC Boston

    Measles outbreaks in Penn., NY prompt concern, but New England cases remain low (opens NBC Boston)

    Published

    NBC Boston's feed description

    Measles outbreaks in Pennsylvania and New York are sparking concern, but so far, the numbers in New England remain very low. According to the Centers for Disease Control and Prevention , there are currently 963 measles cases in Pennsylvania and 78 in New York as of Oct. 1.

  20. Arkansas Democrat-Gazette

    Measles tally rises to 3,900 in the US (opens Arkansas Democrat-Gazette)

    Published

    Arkansas Democrat-Gazette's feed description

    NEW YORK -- Pennsylvania has surpassed 1,000 measles cases this year, state health officials said Monday, making it the largest state outbreak in more than three decades.

  21. MS Now

    Pennsylvania’s measles outbreak is the largest in decades in the U.S. (opens MS Now)

    Published

    MS Now's feed description

    The state has surpassed 1,000 measles cases this year, health officials said Monday, making it the largest outbreak in the U.S. in more than three decades.

  22. Phl17

    These Pennsylvania counties have been hit hardest by measles this year (opens Phl17)

    Published

    Phl17's feed description

    Pennsylvania has recorded its largest measles outbreak in over three decades, surpassing 1,000 cases and resulting in five deaths as of October 2026.

  23. FOX 29 Philadelphia

    Pennsylvania measles outbreak surpasses 1,000 cases (opens FOX 29 Philadelphia)

    Published

    FOX 29 Philadelphia's feed description

    Pennsylvania reached a grim milestone on Tuesday, surpassing 1,000 measles cases this year as the state finds itself at the center of the worst years for measles in over 30 years. Health officials say Pennsylvania’s current outbreak started in April, west of Philadelphia.

  24. PA Home Page

    DOH confirms 1,078 measles cases in Pennsylvania (opens PA Home Page)

    Published

    PA Home Page's feed description

    (WBRE/WYOU) — The Pennsylvania Department of Health reported Monday that there are now 1,078 confirmed measles cases in the Commonwealth, 74 more than Monday’s update. Of those 1,078 cases, 207 are hospitalized and less than 1% are fully vaccinated.

  25. WFMZ Allentown

    DOH reports over 1,000 total measles cases across 41 counties in Pennsylvania (opens WFMZ Allentown)

    Published

    WFMZ Allentown's feed description

    The DOH says combative efforts are occurring through access to fact-based information and access to the measles, mumps, and rubella (MMR) vaccine.

Showing the first 25 of 31 headlines. ·

Identical headlines usually mean shared wire copy. They are counted as separate articles but are not independent confirmation.

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