| preliminary studies on the prevalence and distribution of urinary schistosomiasis in ondo state, nigeria. | the prevalence of s. haematobium infection in 18 local government area (lga) in ondo state was determined by examining pupils from randomly selected schools in the state. a total of 4266 urine samples were examined and 1303 (30.5%) were infected with the parasite. the infection was recorded in both rural and urban communities in each lga. the overall prevalence was significantly higher in males (33.7%) than in females (26.0%) (p = -0.001). the lga exhibiting the highest overall prevalence of inf ... | 2004 | 15819467 |