{"id":1230406,"name":"Certification status over time","unit":"","createdAt":"2026-06-03T10:59:21.000Z","updatedAt":"2026-06-03T10:59:21.000Z","coverage":"","timespan":"1996-2025","datasetId":7973,"columnOrder":0,"shortName":"certification_status","catalogPath":"grapher/who/2026-03-17/guinea_worm/guinea_worm#certification_status","descriptionShort":"The current and historical values for the status of [Guinea worm disease (Dracunculiasis)](#dod:guinea-worm) as certified by the WHO. To be certified as free of guinea worm disease, a country must have reported zero indigenous cases through active surveillance for at least three consecutive years.","descriptionFromProducer":"Elimination of dracunculiasis is the confirmed absence of the emergence of adult female worms (the interruption of transmission of Dracunculus medinensis) in humans and animals for three consecutive years or longer from a country with such a low risk of reintroduction of the parasite that preventive measures could be reduced to a strict minimum.","descriptionProcessing":"The current and historical values for the status of Guinea worm disease (Dracunculiasis) as certified by the WHO. To be certified as free of guinea worm disease, a country must have reported zero indigenous cases through active surveillance for at least three consecutive years.\n\nData regarding certification status is available at the WHO: https://web.archive.org/web/20211024081702/https://apps.who.int/dracunculiasis/dradata/html/report_Countries_t0.html\n\nWe have added the recent changes to Guinea worm disease certification:\n- Angola has had endemic status since 2020:  https://www.who.int/news/item/23-09-2020-eradicating-dracunculiasis-human-cases-and-animal-infections-decline-as-angola-becomes-endemic\n- Kenya was certified guinea worm free in 2018: https://www.who.int/news/item/21-03-2018-dracunculiasis-eradication-south-sudan-claims-interruption-of-transmission-in-humans\n- DRC was certified guinea worm free in 2022: https://www.who.int/news/item/15-12-2022-the-democratic-republic-of-the-congo-certified-free-of-dracunculiasis-transmission-by-who\n- Cameroon was reclassified as endemic in 2025: https://iris.who.int/server/api/core/bitstreams/8aa14c5f-62f7-4e29-9088-57a60638c44f/content. This change is not applied retroactively to the data, but it is reflected in the certification status for Cameroon in 2025 and beyond.","type":"string","grapherConfigIdETL":"019e8d23-4d69-70b0-8aac-d2145440f351","datasetName":"Guinea Worm Disease (Dracunculiasis) cases and certification status (WHO/ Carter Center)","updatePeriodDays":365,"datasetVersion":"2026-03-17","nonRedistributable":false,"display":{},"schemaVersion":2,"processingLevel":"major","presentation":{"attributionShort":"WHO","attribution":"World Health Organization (2026)","topicTagsLinks":["Global Health","Neglected Tropical Diseases","Eradication of Diseases"]},"descriptionKey":["Countries can be classified as \"endemic\", \"pre-certification\", \"pending surveillance\" or \"certified free of guinea worm disease\".","A country is classified as endemic if the disease is consistently present in the country. As of 2025, there are 5 countries in which Dracunculiasis is endemic, these are Angola, Chad, Ethiopia, Mali and South Sudan.","Countries labeled pre-certification are endemic countries that have reported zero indigenous cases in the calendar year. As of 2025, Sudan is the only country with pre-certification status.","Countries labeled pending surveillance have not had sufficient testing to determine their status or the number of cases in the country.","Countries labeled certified free of guinea worm disease have reported zero indigenous cases through active surveillance for at least three consecutive years. 200 countries, areas and territories have been certified free of guinea worm disease by the WHO. The latest are Kenya and the Democratic Republic of the Congo, which were certified in 2018 and 2022 respectively.","In 2025 the WHO concluded that Cameroon (based on human and animal case counts) should be reclassified as endemic. As Cameroon was certified disease-free in 2007, this change is not applied retroactively to the data, but it is reflected in the certification status for Cameroon in 2025 and beyond."],"dimensions":{"years":{"values":[{"id":1996},{"id":1997},{"id":1998},{"id":1999},{"id":2000},{"id":2001},{"id":2002},{"id":2003},{"id":2004},{"id":2005},{"id":2006},{"id":2007},{"id":2008},{"id":2009},{"id":2010},{"id":2011},{"id":2012},{"id":2013},{"id":2014},{"id":2015},{"id":2016},{"id":2017},{"id":2018},{"id":2019},{"id":2020},{"id":2021},{"id":2022},{"id":2023},{"id":2024},{"id":2025}]},"entities":{"values":[{"id":15,"name":"Afghanistan","code":"AFG"},{"id":16,"name":"Albania","code":"ALB"},{"id":17,"name":"Algeria","code":"DZA"},{"id":18,"name":"Andorra","code":"AND"},{"id":19,"name":"Angola","code":"AGO"},{"id":20,"name":"Antigua and 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Certification status of dracunculiasis eradication, 2017","attributionShort":"WHO","urlMain":"https://web.archive.org/web/20211024081702/https://apps.who.int/dracunculiasis/dradata/html/report_Countries_t0.html","dateAccessed":"2024-06-17","datePublished":"2017"}]}