(1) Malnutrition and tropical diseases such as malaria, schistosomiasis , and sleeping sickness are widespread.(2) Other common diseases include schistosomiasis , meningitis, tuberculosis, pneumonia, and HIV / AIDS.(3) Water-related diseases cause 80 percent of all the world's sicknesses, in the forms of hepatitis A, malaria, diarrhea, dysentery and schistosomiasis .(4) Advances in this area, especially against malaria and schistosomiasis , are not yet conclusive, but give cause for more optimism than before.(5) Other common diseases include schistosomiasis , sleeping sickness, poliomyelitis, tuberculosis, and pneumonia.
