Logarithmic scale of reported human cases of guinea worm by year, 1989–2017 (2017 data is provisional) In 2020 there were just 27 cases of<unk>  worldwide: 12 in Chad, 11 in Ethiopia, and 1 each in Angola, Cameroon, Mali, and South Sudan. This is down from 54 cases reported in 2019, and dramatically less than the estimated 3.5 million annual cases in 20 countries in 1986 – the year the World Health Assembly called for<unk> ' eradication.<unk>  is a disease of extreme poverty, occurring in places where there is poor access to clean drinking water. Cases tend to be split roughly equally between males and females, and can occur in all age groups. Within a given place,<unk>  risk is linked to occupation; people who farm or fetch drinking water are most likely to be infected. Cases of<unk>  have a seasonal cycle, though the timing varies by location. Along the Sahara desert's southern edge, cases peak during the mid-year rainy season (May – October) when stagnant water sources are more abundant. Along the Gulf of Guinea, cases are more common during the dry season (October – March) when flowing water sources dry.
Dracunculiasis
Naegleriasis
Gnathostomiasis
Ancylostomiasis
Scarabiasis
Mansonelliasis
Porocephaliasis
Pulicosis