The 18-year old resident of the state suffered from acute disseminated encephalomyelitis. Pennsylvania numbers are surging with some of the highest state totals of measles cases in the country.
News|Articles|October 7, 2026
FAQ: Measles
With US measles cases nearing 3,900 this year and Pennsylvania reporting its fifth measles-related death, here is a review of how the virus spreads, how it is prevented and managed, and what severe disease looks like.
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The Centers for Disease Control and Prevention (CDC) has confirmed 3,887 measles cases in the United States as of October 1, 2026, reported from 47 jurisdictions, with 42 new outbreaks this year and 95% of cases linked to outbreaks.¹ That total already far exceeds the 2,289 cases confirmed for all of 2025.¹
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