| schistosoma mansoni in pachwach, nebbi district, uganda, 40 years after nelson. | human- and snail-related aspects of the transmission of schistosomiasis mansoni was studied in the amor parish community located at the western bank of the river nile in the nebbi district, north-western uganda. a cross sectional survey involving 642 people revealed an overall prevalence of infection among males and females of 81.6% and 81.3%, respectively. the prevalence of infection peaked in the 10-14 years age group, being 93.2% and 93.6% in males and females, respectively, but the prevalenc ... | 1992 | 1470834 |