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首页> 外文期刊>Emerging Infectious Diseases >Emerging Chagas Disease: Trophic Network and Cycle of Transmission of Trypanosoma cruzi from Palm Trees in the Amazon
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Emerging Chagas Disease: Trophic Network and Cycle of Transmission of Trypanosoma cruzi from Palm Trees in the Amazon

机译:新兴恰加斯病:亚马逊棕榈树的营养网络和锥虫锥虫的传播周期。

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摘要

A trophic network involving molds, invertebrates, and vertebrates, ancestrallyadapted to the palm tree (Attalaea phalerata) microhabitat, maintains enzooticTrypanosoma cruzi infections in the Amazonian county Pa.o do Lumiar, state ofMaranh.o, Brazil. We assessed seropositivity for T. cruzi infections in the humanpopulation of the county, searched in palm trees for the triatomines that harbor theseinfections, and gathered demographic, environmental, and socioeconomic data.Rhodnius pictipes and R. neglectus in palm-tree frond clefts or in houses were infectedwith T. cruzi (57% and 41%, respectively). Human blood was found in 6.8% of R. pictipesin houses, and 9 of 10 wild Didelphis marsupialis had virulent T. cruzi infections.Increasing human population density, rain forest deforestation, and human predation oflocal fauna are risk factors for human T. cruzi infections
机译:一个由霉菌,无脊椎动物和脊椎动物组成的营养网络,其祖先适应了棕榈树(Attalaea phalerata)的微生境,在巴西马兰霍州的亚马逊县Pa.o do Lumiar保持了克氏锥虫感染。我们评估了该县人口中克氏锥虫感染的血清阳性率,在棕榈树中寻找藏有这些感染的三氢番茄红素,并收集了人口,环境和社会经济数据.Rhodnius pictipes和R.neglectus在棕榈树的叶状裂隙中或在房屋感染了克氏锥虫(分别为57%和41%)。在6.8%的R. pictipesin房屋中发现了人类血液,而10个野生Disphiphis marsupialis中有9个感染了剧毒的T. cruzi,人口密度的增加,雨林的砍伐和人类对当地动物的捕食是人类T. cruzi感染的危险因素。

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