| investigation into the prevalence of urinary schistosomiasis in the agulu lake area of anambra state, nigeria. | in epidemiological surveys for urinary schistosomiasis caused by schistosoma haematobium in communities around agulu lake, anambra state, nigeria, between 1990 and 1992, the infection was found to be endemic in the area, especially in three towns: nri, agulu, and adazi nnukwu. the prevalence rates varied between these communities and with the year. inter-town prevalence rates ranged from 5.96% to 54.00%. intravillage prevalence rates ranged between 5.50% to 96.43%. prevalence rates were highest ... | 1994 | 7930452 |