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首页> 外文期刊>The American Journal of Tropical Medicine and Hygiene >Seroprevalence of West Nile virus in feral horses on Sheldon National Wildlife Refuge, Nevada, United States.
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Seroprevalence of West Nile virus in feral horses on Sheldon National Wildlife Refuge, Nevada, United States.

机译:在美国内华达州谢尔顿国家野生动物保护区的野生马中,西尼罗河病毒的血清阳性率。

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摘要

We screened 1,397 feral horses (Equus caballus) on Sheldon National Wildlife Refuge, Nevada, United States, for IgM and IgG against flavivirus during 2004-2006, 2008, and 2009. Positive serum samples were tested for neutralizing antibodies to West Nile virus (WNV) and St. Louis encephalitis virus (SLEV). One animal was positive for antibody against WNV in 2004, but all others tested in 2004-2006 were negative. In 2008 and 2009, we found evidence of increasing seropositive horses with age, whereas seroprevalence of WNV decreased from 19% in 2008 to 7.2% in 2009. No horses were positive for antibody against SLEV. Being unvaccinated, feral horses can be useful for WNV surveillance.
机译:我们在美国内华达州谢尔登国家野生动物保护区筛选了1,397只野生马(Equus caballus),在2004-2006年,2008年和2009年期间针对黄病毒对IgM和IgG进行了检测。对阳性血清样品进行了中和西尼罗河病毒(WNV)抗体测试)和圣路易斯脑炎病毒(SLEV)。 2004年,一只动物的WNV抗体呈阳性,但2004-2006年测试的所有其他动物均为阴性。在2008年和2009年,我们发现了随年龄增长的血清阳性马匹增加的证据,而WNV的血清阳性率从2008年的19%下降到2009年的7.2%。没有匹马对SLEV抗体呈阳性。未接种疫苗的野马可用于WNV监视。

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