World health organization

10 facts about schistosomiasis

Students queuing up during for treatment during a school-based campaign in Pemba, Zanzibar, United Republic of Tanzania
WHO/L. Chitsulo

Schistosomiasis is prevalent in tropical and subtropical areas

Schistosomiasis is especially prevalent in poor communities with unsafe safe drinking-water sources and inadequate sanitation.

It is estimated that at least 90% of those requiring treatment for schistosomiasis live in Africa.

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