[intestinal parasitic infections and schistosomiasis in the valley of the senegal river in the islamic republic of mauritania].an epidemiological survey was carried out in the trarza and brakna regions of the senegal river valley in mauritania prior to implementation of a program to control intestinal parasitic infection and schistosomiasis. a total of 1297 school children between the ages of 5 and 12 years from a randomized selection of villages in the region were examined to determine the prevalence and intensity of intestinal parasitic infections and schistosomiasis. overall prevalence was 38.1% for intestinal parasi ...19979304009
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