Fig. 2From: Epidemiological findings and policy implications from the nationwide schistosomiasis and intestinal helminthiasis survey in SudanSchistosomiasis prevalence and improved latrine coverage. a Schistosomiasis prevalence (red: S. haematobium prevalence; yellow: S. mansoni prevalence). b Improved latrine coverage (green: improved latrine coverage). An improved latrine was defined as a plush toilet or ventilated improved pit latrineBack to article page