Pennsylvania measles outbreak reaches 767 cases, largest in US
As Pennsylvania's measles crisis grows, vaccination demand surges despite ongoing vaccine resistance.
What to know
- Pennsylvania is experiencing the largest measles outbreak in the US with 767 cases, 150 hospitalizations, and 4 deaths across 38 counties as of September 18.
- The outbreak is driving increased vaccination uptake among some residents, though vaccine opposition persists in the state.
Pennsylvania health authorities outbreak responders
How it unfolded 1 development · click the chart to see its coverage articlesposts
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Vaccination demand increases as outbreak response intensifies
As the outbreak grows to more than 700 confirmed cases, some people are rushing to get measles vaccinations, even as others remain opposed to vaccines.
“As the outbreak grows to more than 700 confirmed cases, the largest in the country, some people remain opposed to vaccines and others are rushing to get the shots.”
— Pooja Salhotra, Mark Bonamo, Kevin Williams, New York Times journalists · source -
first by The New York Times, 3d ago · also Boston Globe, NYT
1 more headline
- Pennsylvania measles outbreak met with defiance and a rush to vaccinate Boston Globe · 3d ago
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first by PennLive, 1d ago
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Measles is spreading across Pennsylvania and the state is asking the CDC for emergency help. There are 767 confirmed measles cases, 150 hospitalizations and 4 measles associated deaths. In the 4 deaths, all were unvaccinated.
2 more of the top 3 · 38 posts in this stretch
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The state’s measles outbreak is the largest in the country in 2026.
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Department of Health urges vaccination as measles cases surge throughout the Commonwealth of Pennsylvania
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background
Pennsylvania measles outbreak reaches 767 cases across 38 counties — Pennsylvania has recorded 767 measles cases, 150 hospitalizations, and four deaths across 38 counties in 2026, marking the largest outbreak in the country.
Also covered reported alongside — the timeline has no entry for these yet
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4 outlets Pennsylvania measles deaths climb to 4
first by FOX 29 Philadelphia, 4d ago · also Guardian, Seeking Alpha, The Washington Post
3 more headlines
- Why the CDC is excluding measles deaths in Pennsylvania even as outbreak appears to be ‘accelerating’ Mastodon · 1d ago
- CDC acknowledges one Pennsylvania measles death Seeking Alpha · 12h ago
- CDC updates measles death toll to one, despite Pennsylvania’s higher tally The Washington Post · 11h ago
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first by USA Today, 11h ago · also Philadelphia Inquirer, NBC News
3 more headlines
- CDC Adds First Measles-Related Death After Pennsylvania Dispute Bloomberg.com · 11h ago
- Pa. measles outbreak grows past 800 cases; House Democrats press CDC on omitted deaths Philadelphia Inquirer · 9h ago
- CDC reports first measles death amid confusion over Pennsylvania cases NBC News · 8h ago
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first by Philadelphia Inquirer, 2d ago · also Reuters
3 more headlines
- Pennsylvania measles cases near 800 as outbreak grows Reuters · 1d ago
- Measles outbreak in PA nears 800 cases as Department of Health urges vaccination wnep.com · 1d ago
- Measles cases in Pa. surpass 800 as outbreak continues to surge post-gazette.com · 10h ago
and 3 smaller pieces
What people are saying 21 voices from 2 sites · best of 40 · verbatim
- Yesterday
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Despite the fact that Pennsylvania has reported four deaths from measles, the CDC has decided to only include one in its tally, which is further proof that those in power have learned that it is difficult to end an outbreak, but is is quite easy to change what counts.
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Kentucky now up to 54 measles cases and it would appear 1 case is fully vaccinated and another is partly vaccinated. This signals the outbreak is likely bigger than we know about.
- Sep 22
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The US Centers of Disease Control and Prevention (CDC) updated its measles dashboard on Friday – but it’s still not counting four measles deaths in Pennsylvania, where the outbreak appears to be accelerating and cases are appearing in ways provi... TAT: [Attacking science | Controlling information]
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Centers for Disease Control and Prevention refuses to count four measles deaths in the state though doctors are ‘seeing new forms’ of disease
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The Pennsylvania measles outbreak “seems to be accelerating,” one infectious disease specialist told me. “And we’re seeing, actually, types of measles we’ve never seen before.”
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https://www. wnep.com/article/news/local/me asles-outbreak-pa-nears-800-cases-department-of-health-urges-vaccination/523-f120182a-57b8-4a2a-8240-4759c29c6337
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Even after the CDC changed the way it counted measles deaths, it should now have updated numbers - but still nothing. My latest:
- Sep 21
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The Pennsylvania Department of Health reported 792 measles cases on Monday, 25 more than on Friday, as the state's outbreak grew further, remaining at the center of the nation's worst measles resurgence in decades.
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The state’s measles outbreak is the largest in the country in 2026. The RFKJr memorial measles outbreak is here.
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Pennsylvania's measles epidemic is being met with both defiance and a rush to vaccinate. As the epidemic grows to more than 700 confirmed cases, the largest in the country, some people remain opposed to vaccines & others are rushing to get the shots
- Sep 20
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“You want my advice about measles?Eat more beets. Eat more peppers. Eat more watermelon”— this is a voice of the primitive embracing a lower standard of living, rejecting products of human reason. The New Dark Ages
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Pa. Measles Outbreak Met With Both Defiance and a Rush to Vaccinate #rfk #killer
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It only took over 700 new cases of measles …For the addle brained vaccine deniers in Pennsylvania…To begin their rush to get vaccinated.
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Pennsylvania measles outbreak leads to a fourth death www.skepticalraptor.com/skepticalrap... via @skepticalraptor.bsky.social
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www.nytimes.com/2026/09/20/u... Most of the population of the United States IS inoculated against measles. If we weren't can you imagine how fast and far these outbreaks would have traveled, the number of illnesses, the hospitalizations and the deaths? Fools are growing up under these influences.
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The Pennsylvania Department of Health has reported four deaths linked to a measles outbreak, including an 18-year-old who died of acute disseminated encephalomyelitis.
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Pa. Measles Outbreak Met With Both Defiance and a Rush to Vaccinate
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There is no “advantage” to getting vaccinated, he says. The advantage is you don’t get measles. Pa. Measles Outbreak Met With Both Defiance and a Rush to Vaccinate
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Pa. Measles Outbreak Met With Both Defiance and a Rush to Vaccinate As the outbreak grows to more than 700 confirmed cases, the largest in the country, some people remain opposed to vaccines and others are rushing to get the shots.
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Pa. Measles Outbreak Met With Both Defiance and a Rush to Vaccinate https://www. nytimes.com/2026/09/20/us/meas les-pennsylvania.html?utm_source=flipboard&utm_medium=activitypub Posted into Most Emailed @ most-emailed-newyorktimes
- Sep 17
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Anti-vaccine activists have cast doubt on recent measles deaths, but the two latest deaths in Pennsylvania make clear that the United States is experiencing a measles crisis, @tombartlett.bsky.social reports.