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首页> 外文期刊>Parasitology >Association of riverine prawns and intermediate host snails and correlation with human schistosomiasis in two river systems in south-eastern C?te d'Ivoire
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Association of riverine prawns and intermediate host snails and correlation with human schistosomiasis in two river systems in south-eastern C?te d'Ivoire

机译：河流虾和中间宿主蜗牛与南东部两河流系统中的人血吸虫相关的关联。TE D'Ivoire

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The current emphasis of schistosomiasis control is placed on preventive chemotherapy using praziquantel. However, reinfection may occur rapidly in the absence of complementary interventions. Recent studies from Senegal suggest that predatory prawns might feed on intermediate host snails and thus impact on schistosomiasis transmission. We designed a study with four repeated cross-sectional surveys pertaining to prawns and snails, coupled with a single cross-sectional parasitological survey among humans. We assessed for potential associations between the presence/density of prawns and snails and correlation with Schistosoma infection in a composite sample of school-aged children and adults. The study was carried out between October 2015 and December 2016 in 24 villages located near the Agnéby and Mé coastal river systems in south-eastern C?te d'Ivoire. At each site, snails and prawns were collected, and in each village, 150 individuals were subjected to stool and urine examination for the diagnosis of Schistosoma mansoni and S. haematobium. We found peaks of relative abundance of intermediate host snails in the villages of the Agnéby River system, while predatory prawns were predominantly recorded in the Mé River system. A negative association was observed between intermediate host snail densities and riverine prawns; however, no pattern was found between this trend in the predator–prey relationship and the prevalence of human schistosomiasis.
机译：使用吡喹酮的预防化疗，对血吸虫病控制的目前强调。但是，在没有互补干预的情况下，可以迅速发生重新感染。塞内加尔最近的研究表明，捕食性虾可能会在中间宿主蜗牛上喂养，从而影响血吸虫病传播。我们设计了具有与虾和蜗牛有关的四次重复的横截面调查的研究，与人类之间的单一横截面寄生学调查相结合。我们评估了虾和蜗牛的存在/密度与学龄儿童和成人复合样本中的虾和蜗牛的存在和血吸虫感染之间的潜在关联。该研究在2015年10月至2016年12月间在24个村庄，位于东南C.TED'IVOIRE的Agnéby和Mé沿海河流系统附近。在每个网站上，收集蜗牛和虾，在每个村庄，150名患有粪便和尿液检查的血吸虫麦森和血厕所的诊断。我们发现了Agnéby河流系统村庄中中间宿主蜗牛的相对丰富的峰值，而掠食性虾主要在麦芽系统中记录。在中间宿主蜗牛密度和河流虾之间观察到负关联;然而，在捕食者 - 猎物关系中没有发现这种趋势之间的模式和人血吸虫病的患病率。

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