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Guinea Worm Case Totals

  • Pipe filters, individual filtration devices worn around the neck, work like a straw, allowing people to filter their water to avoid contracting Guinea worm disease while away from home. (Carter Center/L. Gubb)

When The Carter Center began leading the international campaign to eradicate Guinea worm disease in 1986, there were an estimated 3.5 million cases in at least 21 countries in Africa and Asia. Today, that number has been reduced by more than 99.99 percent.

In 2020, 27* human cases of Guinea worm disease were reported worldwide.

Jan. 1 – Aug. 31, 2021

Human Case Total:


At a Glance: Reported Human Cases of Guinea Worm Disease Globally

Angola: 0*

Cameroon: 0*

Chad: 4*

Ethiopia: 1*

Mali: 0*

South Sudan: 2*

*Note: These numbers are provisional until certified.

Learn More

For the official monthly updates on the Carter Center's reporting of Guinea worm disease cases, read Guinea Worm Wrap-Up >

Press release: Announcement for 2020 Guinea Worm Disease Case Totals

Learn more about the Center's work in each country.

Last update: Sept. 13, 2021

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