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Infectious disease outbreaks currently being reported on by CDC. Listings include those outbreaks for which content is currently published on the CDC website.

U.S.-Based Outbreaks

Recent investigations reported on CDC.gov

Outbreaks Affecting International Travelers

Please see the Travelers' Health site for a complete list.

Understanding Outbreaks

In the last two years, CDC has sent scientists and doctors out more than 750 times to respond to health threats. Learn more below.



Further Sources for Content about Specific Outbreaks

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  • Page last reviewed: September 12, 2014
  • Page last updated: September 12, 2014
  • Content source:
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