| the prevalence, intensity and clinical signs of urinary schistosomiasis in imo state, nigeria. | urine samples were assayed for urinary schistosomiasis in four local government areas (lga) of imo state, nigeria between may 1998 and september 2000. a total of 3504 persons were sampled, with 880 (25.1%) being positive for urinary schistosomiasis, based on records of eggs of schistosoma haematobium. the prevalence of s. haematobium infection differed in the various lgas, with oguta (38.9%) and owerri-west (10.4%) showing the highest and the lowest values, respectively. prevalence was higher in ... | 2004 | 15575992 |