CDC Current Outbreak List

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
International Outbreaks

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.

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Further Sources for Content about Specific Outbreaks
Page last reviewed: December 10, 2019