Dracunculiasis (guinea-worm disease) - World Health Organization
Overview Dracunculiasis is rarely fatal, but infected people become non-functional for weeks and months. It affects people in rural, deprived, and isolated communities who depend mainly on open stagnant surface water sources such as ponds for drinking water. Scope of the problem During the mid-1980s an estimated 3.5 million cases of dracunculiasis occurred in 20 countries worldwide, 17 countries of which were in Africa and the 3 others in Asia. The number of reported cases fell to fewer than 10 000 cases for the first time in 2007, dropping further to 542 cases (2012). Over the past eight years, human cases have stayed at double digits (54 in 2019 and 27 human cases in 2020). These human cases were reported from four countries: Angola (1), Chad (12), Ethiopia (11), Mali (1), South Sudan (1) and Cameroon (1) – likely imported from Chad. Transmission, life-cycle and incubation period About a year after infection, a painful blister forms – 90% of the time on the lower l...