excreta disposal facilities and intestinal parasitism in urban africa: preliminary studies in botswana, ghana and zambia. | the relationships between intestinal parasitism and excreta disposal technologies in gaborone (botswana), ndola (zambia) and kumasi (ghana) were investigated. parasitic prevalence and intensity rates amongst groups of urban residents having similar socio-economic status and housing, but different excreta disposal technologies, were compared. in gaborone, there was no evidence of a difference in intestinal parasitism between those using aqua privies and having access to public taps and those in i ... | 1983 | 6636280 |