| urban schistosoma mansoni near enyau river in arua town, uganda. | using the kato katz method for quantification of parasitic eggs in faeces, 500 individuals aged between 4 and 50 years, living along river enyau, half a kilometre from arua town, were studied to assess the prevalence of schistosoma mansoni in the population. the overall prevalence of schistosoma mansoni infection was 62%. the infection was highest among school children (71.1%, i.e. 199 out of 280). villagers who lived along the immediate vicinity of the river had a 62.8% prevalence of infection ... | 1994 | 7875097 |