| endemicity of vesical schistosomiasis in the ebonyi benue river valley, south eastern nigeria. | the investigation on the prevalence of patent and clinically severe infections with schistosoma haematobium was carried out amongst inhabitants of ebonyi benue river valley, south eastern nigeria between august 2000 and june 2001. the inhabitants are predominantly farmers. of the 3296 subjects examined from 15 randomly selected villages in the valley, 776 (23.5%) were excreting the eggs of s. haematobium in their urine. infection rates varied between 18.9% and 30.6%. the severity of infection ca ... | 2003 | 12872529 |