Publications

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[cross-sectional study of intestinal parasites and chagas' disease in the municipality of novo airão, state of amazonas, brazil].a cross-sectional study was performed on the residents of one in every ten households in the town of novo airão, in the northern meso-region of the state of amazonas, 250 kilometers from manaus by riverboat. a family cluster sample of 89 dwellings was studied. a stool sample was requested from each of the inhabitants for examination using the lutz sedimentation and baermann-moraes-coutinho techniques, and blood was taken by venous puncture for trypanosoma cruzi elisa antibody testing and immunof ...199910502145
[prevalence of intestinal parasitosis in the city of eirunepé, amazon].samples of 413 patient were analyzed and positivity was found in 64.4% (266) of the exams. the intestinal parasites most prevalent were: ascaris lumbricoides (35.6%); trichuris trichiura (18.6%); ancylostomides (9.9%); strongyloides stercoralis (1%), enterobius vermiculares (0,5%); entamoeba histolytica (13.3%) and giardia lamblia (1%). the presence of varied degrees of anemia were detected in 39.8% of the exams.200515717101
[intestinal parasitism in a parakanã indigenous community in southwestern pará state, brazil].to determine the occurrence and epidemiological aspects of intestinal parasites among the parakanã indigenous people in the paranatinga settlement (in the eastern amazon region), parasitological tests were performed in april 1992 and february 1995. one fresh stool specimen was obtained and immediately processed using the hoffman and direct methods. some 126 samples were obtained in april 1992 (from a total population of 215 individuals). some 80. 2% (101) of those tested were infected with at le ...19989761604
zymodemes of entamoeba histolytica isolated in the amazon and the north-east of brazil. 19902260174
risk factors for infection by the entamoeba histolytica/e. dispar complex: an epidemiological study conducted in outpatient clinics in the city of manaus, amazon region, brazil.an epidemiological study was conducted on a population attending outpatient clinics in manaus, amazon, brazil to determine the prevalences of infection by the entamoeba histolytica/e. dispar complex and by e. histolytica alone, as well as to identify the risk factors involved in transmission. the study was conducted in two phases: survey and case-control. face-to-face interviews were carried out and faecal samples collected from 1578 individuals. faeces were examined by optical microscopy and te ...200515869773
longitudinal study of diarrhoeal disease in a peri-urban community in manaus (amazon-brazil).a 20-month longitudinal study of diarrhoeal disease was carried out in a poor peri-urban community of manaus (amazon-brazil), and the attack rate of this disease ranged from 0.2 to 4.8 episodes of diarrhoea per person per year. the age group most affected was 0 to 35 months old. a probable aetiological agent was identified in 68 of the 110 faecal samples collected. the most frequent enteropathogens isolated were enterotoxigenic escherichia coli and giardia lamblia. enterotoxigenic escherichia co ...19862878647
intestinal parasitic infection and associated risk factors, among children presenting at outpatient clinics in manaus, amazonas state, brazil.in a cross-sectional study, the prevalences of intestinal parasitic infection and the associated risk factors were explored among children aged 0-10 years attending outpatient clinics in manaus, the capital city of the north brazilian state of amazonas. data indicating socio-economic level and demographic factors were collected in interviews with the accompanying parent or guardian of each child. parasitic infections were detected by the microscopical examination of faecal samples, while nutriti ...200919825280
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
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