Different type of schistosome
| Species | Geographical distribution | |
| Intestinal schistosomiasis | Schistosoma mansoni | Africa, the Middle East, the Caribbean, Brazil, Venezuela, Suriname |
| Schistosoma japonicum | China, Indonesia, the Philippines | |
| Schistosoma mekongi | Several districts of Cambodia and the Lao People’s Democratic Republic | |
| Schistosoma guineensis and related S. intercalatum | Rain forest areas of central Africa | |
| Urogenital schistosomiasis | Schistosoma haematobium | Africa, the Middle East |