US reports largest state-level measles outbreak in over 30 years
In short
The United States is experiencing its largest state-level measles outbreak in more than 30 years, according to Chinese media reports. Pennsylvania health authorities reported 1,004 confirmed measles cases and five deaths in 2026 as of October 5. New York State declared a disaster emergency on October 5 due to the outbreak.
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The United States is experiencing its largest state-level measles outbreak in more than 30 years, according to reports from Yicai, Jiemian and Xinhua. All three outlets carried the same headline on October 7. [ 1 , 2 , 3 ]
Jiemian reported, citing Xinhua, that Pennsylvania health authorities released data on October 5 showing 1,004 confirmed measles cases in the state in 2026, including five deaths. The outlet said this is the largest state-level measles outbreak in the US in over 30 years. [ 2 ]
New York State declared a disaster emergency on October 5 because of the measles outbreak, according to the same Jiemian report. The other documents in the set did not provide additional details on the outbreak or the emergency declaration. [ 2 ]
Why it matters
The outbreak is a significant public health event in the US, prompting an emergency declaration in New York. Chinese outlets are covering it as a major international news story, citing Xinhua.
Key facts
- The United States is experiencing its largest state-level measles outbreak in over 30 years. [ 1 , 2 , 3 ]
- Pennsylvania reported 1,004 confirmed measles cases in 2026 and 5 deaths, according to state health data released on October 5. [ 2 ]
- New York State declared a disaster emergency on October 5 because of the measles outbreak. [ 2 ]
- The details on Pennsylvania and New York were reported by Jiemian, citing Xinhua. [ 2 ]
Confirmed by several sources
Still unclear
- The exact number of confirmed measles cases and deaths in Pennsylvania is based on a single report from Jiemian, which cites Pennsylvania health data. No other document provides these figures, and the available Xinhua report does not include them.
- The reporting period for the 1,004 confirmed cases is not specified. Documents do not state when the cases were confirmed or the time frame covered by the data.
- The extent of the outbreak beyond Pennsylvania and New York is not described. Documents mention only these two states, without information on other affected areas.
What local media are saying
Timeline, local time
- Yicai publishes its report on the outbreak. [ 1 ]
- Jiemian publishes its report with details on Pennsylvania cases and New York's emergency declaration. [ 2 ]
- Xinhua publishes its report. [ 3 ]
- Pennsylvania health authorities release data showing 1,004 confirmed measles cases and 5 deaths; New York State declares a disaster emergency. [ 2 ]