Schistosomiasis risk is present in the country, areas of risk are described:
S. haematobium is endemic in Guinea-Bissau, particularly in the valleys of the Cacheu and Geba rivers, and along the border with Guinea. There is no Schistosomiasis risk on the islands in the Bijagós Archipelago.
Risk of Schistosomiasis caused by: Schistosoma haematobium
The main intermediate host snail is: Bulinus globosus