| schistosomiasis in kano state, nigeria. i. human infections near dam sites and the distribution and habitat preferences of potential snail intermediate hosts. | stool and urine samples from 813 schoolchildren and adults from the tomas and rimin gado dam areas of kano state, nigeria, showed schistosoma haematobium to be present at both localities with prevalences of 26.6 and 36.8%, respectively. no cases of s. mansoni were found. the prevalence and intensity of s. haematobium was low and similar in both study areas. statistical analysis revealed a correlation between prevalence and location, but no evident association with professed patterns of water con ... | 1988 | 3256277 |