prevalence and epidemiology of intestinal parasitism, as revealed by three distinct techniques in an endemic area in the brazilian amazon.this survey aims to estimate the prevalence of intestinal parasitic infections in santa isabel do rio negro, amazonian brazil, through three distinct techniques, correlating the prevalence rates with family income and age groups as well as assessing the household clustering of infections. prevalence rates were assessed through graham (n=113), baermann-moraes (n=232) and ritchie (n=463) methods. the graham method was adopted only for children under 5 years old, 15% of whom were positive for enter ...201122117850
mass treatment for intestinal helminthiasis control in an amazonian endemic area in brazil.the objective of the present study was to estimate the prevalence of soil-transmitted helminthiasis and evaluate the sanitary conditions and the role of a mass treatment campaign for control of these infections in santa isabel do rio negro. a cross-sectional survey was carried out in 2002, to obtain data related to the sanitary conditions of the population and fecal samples for parasitological examination in 308 individuals, followed by a mass treatment with albendazole or mebendazole with cover ...200617119673
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