Schistosomiasis risk is present in the whole country, including urban areas:
S. haematobium and S. mansoni are endemic in Yemen. The highest incidence rates are reported from the governorates of Hajjah and Ta’izz. Additional snail intermediate hosts for S. haematobium: Bulinus beccarii and Bulinus wrighti.
Risk of Schistosomiasis caused by: Schistosoma haematobium, Schistosoma mansoni
The main intermediate host snail is: Bulinus truncatus, Biomphalaria alexandrina, Biomphalaria pfeifferi, Biomphalaria arabica, see text above for additional intermediate snail host.