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首页> 外文期刊>International Journal of Environmental Research and Public Health >West Nile Virus Transmission in Sentinel Chickens and Potential Mosquito Vectors, Senegal River Delta, 2008–2009
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West Nile Virus Transmission in Sentinel Chickens and Potential Mosquito Vectors, Senegal River Delta, 2008–2009

机译：塞内加尔河三角洲，2008-2009年，前哨鸡中的西尼罗河病毒传播和潜在的蚊媒

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摘要

West Nile virus (WNV) is an arthropod-borne Flavivirus usually transmitted to wild birds by Culex mosquitoes. Humans and horses are susceptible to WNV but are dead-end hosts. WNV is endemic in Senegal, particularly in the Senegal River Delta. To assess transmission patterns and potential vectors, entomological and sentinel serological was done in Ross Bethio along the River Senegal. Three sentinel henhouses (also used as chicken-baited traps) were set at 100 m, 800 m, and 1,300 m from the river, the latter close to a horse-baited trap. Blood samples were taken from sentinel chickens at 2-week intervals. Seroconversions were observed in sentinel chickens in November and December. Overall, the serological incidence rate was 4.6% with 95% confidence interval (0.9; 8.4) in the sentinel chickens monitored for this study. Based on abundance pattern, Culex neavei was the most likely mosquito vector involved in WNV transmission to sentinel chickens, and a potential bridge vector between birds and mammals.
机译：西尼罗河病毒（WNV）是节肢动物传播的黄病毒，通常通过库蚊（Culex）蚊子传播给野鸟。人类和马容易感染WNV，但它们是死胡同。 WNV在塞内加尔特别是塞内加尔河三角洲是地方病。为了评估传播方式和潜在媒介，在塞内加尔河沿岸的罗斯·贝希奥进行了昆虫学和前哨血清学研究。在距河100m，800m和1300m处分别设置了3个前哨鸡舍（也用作鸡饵陷阱），后者靠近马饵陷阱。每隔2周从前哨鸡中抽取血样。在11月和12月在前哨鸡中观察到血清转化。总体而言，本研究监测的前哨鸡的血清学发生率为4.6％，置信区间为95％（0.9; 8.4）。根据丰度模式，库蚊是最有可能参与WNV传播到前哨鸡的蚊媒，也是鸟类和哺乳动物之间的潜在桥梁载体。

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