Fig. 2.
Map of Africa showing ranking of estimated schistosomiasis burden in sub-Saharan African (SSA) countries. Schistosomiasis prevalence in SSA is documented to be 192 million, which is 93% of the total global prevalence of the disease. A total of 29 million people are infected by this disease in Nigeria, 19 million in Tanzania, 15 million each in Democratic Republic of Congo and Ghana, while Mozambique with 13 million people completes the top five countries with the highest prevalence in SSA. This prevalence figures by country are represented by a pie chart as a ratio of the total disease burden in SSA using a normalization figure of 0.0069. The prevalence figures are taken from Hotez and Kamath,9 while the prevalence map was generated using the ArcGIS software.