Schistosomiasis risk is present in most of the country, except areas described:
S. mansoni is endemic throughout the country – including lakes Muhazi, Kivu, Rweru, Mugesera, Burera, and Ruhondo. Akagera National Park and the following districts are considered risk free: Kayonza and Gatsibo (East Province), Rulindo (North Province), Kicukiro and Nyarugenge (Kigali Province), Kamonuyi, Ruhango, Nyanza, Huye, and Nyamagabe (South Province). Additional snail intermediate hosts: Biomphalaria choanomphala, Biomphalaria stanleyi, and Biomphalaria smithi.
Risk of Schistosomiasis caused by: Schistosoma mansoni
The main intermediate host snail is: Biomphalaria pfeifferi, Biomphalaria sudanica, see text above for additional intermediate snail host.