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  • 标题:Prevalence and spatial distribution of intestinal parasitic infections in a rural Amazonian settlement, Acre State, Brazil
  • 本地全文:下载
  • 作者:Souza, Estéfano Alves de ; Silva-Nunes, Mônica da ; Malafronte, Rosely dos Santos
  • 期刊名称:Cadernos de Saúde Pública
  • 印刷版ISSN:0102-311X
  • 电子版ISSN:1678-4464
  • 出版年度:2007
  • 卷号:23
  • 期号:2
  • 页码:427-434
  • DOI:10.1590/S0102-311X2007000200019
  • 语种:English
  • 出版社:Escola Nacional de Saúde Pública,Fundação Oswaldo Cruz
  • 摘要:

    A population-based survey of the prevalence and spatial distribution of intestinal parasitism was carried out in an agricultural settlement in the Amazon Basin of Brazil (Granada, Acre State). More than half (53.4%) of the 429 stool specimens from subjects in all age groups, living in 113 households, had cysts, ova, or larvae of intestinal parasites. The most prevalent parasites were Giardia duodenalis (19.6%) and soil-transmitted helminths (12.7%); 105 (24.5%) subjects were infected with more than one species of parasite. Significant age-related differences in prevalence were only found for G. duodenalis (children < 1 year and adults > 30 years were less affected). Six households (5.3%), situated within a radius of 690m, comprised 48.1% of all subjects harboring soil-transmitted helminths in our study area. Households within this cluster were poorer and more crowded than those outside the cluster. The observed spatial clustering of infections with soil-transmitted helminths provides valuable information for the spatial targeting of sanitary interventions in this area.

  • 关键词:Helmintos;Parasitos;Ecossistema Amazônico
  • 其他关键词:Helminths;Parasites;Amazonian Ecosystem
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