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Guinea Worm Eradication Program

Our Goal

Since 1986, The Carter Center has led the international campaign to eradicate Guinea worm disease, working closely with ministries of health and local communities, the U.S. Centers for Disease Control and Prevention, the World Health Organization, UNICEF, and many others.

Guinea worm disease is set to become the second human disease in history, after smallpox, to be eradicated. It will be the first parasitic disease to be eradicated and the first disease to be eradicated without the use of a vaccine or medicine.

What is Guinea Worm Disease?

Considered a neglected tropical disease, Guinea worm disease (dracunculiasis) is a parasitic infection caused by the nematode roundworm parasite Dracunculus medenisis. It is contracted when people consume water from stagnant sources contaminated with Guinea worm larvae. Inside a human's abdomen, Guinea worm larvae mate and female worms mature and grow. After about a year of incubation, the female Guinea worm, one meter long, creates an agonizingly painful lesion on the skin and slowly emerges from the body. Guinea worm sufferers may try to seek relief from the burning sensation caused by the emerging worm and immerse their limbs in water sources, but this contact with water stimulates the emerging worm to release its larvae into the water and begin the cycle of infection all over again.

Guinea worm is a particularly devastating disease that incapacitates people for extended periods of time, making them unable to care for themselves, work, grow food for their families, or attend school.

How Widespread is the Disease?

In 1986, the disease afflicted an estimated 3.5 million people a year in 21 countries in Africa and Asia. Today, thanks to the work of The Carter Center and its partners — including the countries themselves — the incidence of Guinea worm has been reduced by more than 99.99 percent to 22 cases in 2015.

The Carter Center works to eradicate Guinea worm disease in four remaining endemic countries: South Sudan, Mali, Chad, and Ethiopia.

Our Strategy

There is no known curative medicine or vaccine to prevent Guinea worm disease — the same treatment for emerging worms has been used for thousands of years.

Traditional removal of a Guinea worm consists of winding the worm around a piece of gauze or small stick and manually extracting it — a slow, painful process that often takes weeks. The skin lesions often develop secondary bacterial infections, which exacerbate the suffering and prolong the period of disability.

The Center's strategy is to work with ministries of health to stop the spread of Guinea worm disease by providing health education and helping to maintain political will.

The Guinea Worm Eradication Program is wiping out this ancient disease mainly through community-based interventions to educate and change behavior, such as teaching people to filter all drinking water and preventing transmission by keeping anyone with an emerging worm from entering water sources.

For the eradication campaign to continue successfully, enormous dedication and attention to detail is critical for all field supervisors and the thousands of community-based volunteers charged with executing the campaign.

Results and Impact

  • Incidences of Guinea worm disease have been reduced from an estimated 3.5 million in 1986 to 22 in 2015.
  • The Guinea worm eradication campaign has averted at least 80 million cases of this devastating disease among the world's poorest and most neglected people.
  • The campaign has helped to establish village-based health delivery systems in thousands of communities that now have networks of health personnel and volunteers who provide health education and interventions to prevent other diseases.

Implementing Partners

The Carter Center spearheads the international Guinea worm eradication campaign and works in close partnership with national programs, the World Health Organization, U.S. Centers for Disease Control and Prevention, UNICEF, and many other partners.

The Carter Center leads the international Guinea worm disease eradication campaign, compiles and distributes case numbers, and provides technical and financial support to national programs to interrupt Guinea worm disease transmission and bring cases to zero. When transmission is interrupted, the Center provides continued assistance in developing or strengthening surveillance in Guinea worm-free areas and preparing nations for official certification.

National Ministries of Health in the endemic countries oversee domestic Guinea worm elimination programs and engage and train field workers and supervisory staff.

The World Health Organization is responsible for certifying countries as Guinea worm-free, and is the only organization that can officially certify the eradication of a disease.

The U.S. Centers for Disease Control and Prevention provides technical assistance and verifies whether worms from final patients are truly Guinea worms.

UNICEF mainly assists countries by helping to provide safe sources of drinking water to priority areas identified by the national Guinea worm eradication programs.

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The Carter Center leads the campaign to eradicate Guinea worm disease reducing cases from an estimated 3.5 million in 1986 to 22 in 2015.

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