Birds are the reservoir hosts of WNV.
鸟类是西尼罗河病毒的宿主。
There is one reported case of transplacental (mother-to-child) WNV transmission.
曾有一例西尼罗河病毒经胎盘（从母亲到婴儿）传播的报告。
West Nile Virus (WNV) was first isolated in a woman in the West Nile district of Uganda in 1937.
西尼罗河病毒于1937年从乌干达西尼罗河地区一位妇女体中首次分离出来。
In Europe, Africa, Middle East and Asia, mortality in birds associated with WNV infection is rare.
在欧洲、非洲、中东和亚洲，西尼罗河病毒感染引起的鸟类死亡很罕见。
Human infections attributable to WNV have been reported in many countries in the World for over 50 years.
过去50多年中，全世界许多国家均报告过西尼罗河病毒引起的人类感染。
Rapid test diagnoses West Nile virus a new test rapidly diagnoses West Nile virus (WNV) infection.
一种新方法能够快速诊断西尼罗河病毒(WNV)感染。
FDA approves the first West Nile virus (WNV) blood test to screen donors of blood, organs, cells and tissues.
FDA批准了第一个西尼罗河病毒(WNV)的血液测试，用以筛选捐献者血液、器官、细胞和组织。
Objective to select West Nile virus (WNV) quick detecting methods from mosquitoes which can be used in China.
目的建立可用于中国的蚊虫携带西尼罗病毒(WNV)监测的快速检测方法。
Mosquitoes of the genus Culex are generally considered the principal vectors of WNV, in particular Cx. Pipiens.
库蚊属的蚊子通常被认为是西尼罗河病毒的主要病媒，特别是库蚊。
WNV has been described in Africa, Europe, the Middle East, west and central Asia, Oceania, and most recently, North America.
西尼罗河病毒在非洲、欧洲、中东、西亚和中亚、大洋洲以及最近在北美都发现过。
The test has been cleared by the U. S. Food and Drug Administration (FDA) for clinical use in patients with presumptive WNV infection.
这种方法已经获得了美国食品药品管理局(FDA)的许可，用于在临床使用，检测疑似WNV感染。
Samples taken from people and animals with suspected WNV infection should be handled by trained staff working in suitably equipped laboratories.
从疑似的西尼罗河病毒感染者和动物中提取的标本必须由训练有素的工作人员在装备适当的实验室中进行处理。
The outbreak of WNV encephalitis in the United States in 1999 and subsequent epidemic in North America in the following years cause great concerns.
西尼罗病毒脑炎于1999年在美国的爆发及随后几年在北美的流行引起了极大的关注。
Infection with WNV is either asymptomatic (no symptoms) in around 80% of infected people, or can lead to West Nile fever or severe West Nile disease.
西尼罗河病毒感染可以为无症状感染(没有症状)，约占受感染人群的80%，也可能导致西尼罗热或严重的西尼罗河疾病。
FDA summarized: "The study's findings also suggest that these genetically similar variants may be a new strain of WNV emerging in the United States."
FDA总结说，“研究还发现这些基因类似变体可能是在美国产生的一种新WNV病株。
It is certainty that cross-reactions exist between WNV and JEV, whether cross-protection exists between them need to determine with neutralization test.
WNV与JEV存在一定交叉反应，但是否有交叉保护作用则需要中和试验等进一步证实。
In conclusion, the ELISA established in this study has higher sensitivity and specificity, and was valuable for sero-epidemiologic survey of WNV infection.
结论本研究建立的ELISA方法灵敏、检测抗体特异，结果可重复，是一种有价值的血清学调查方法。
IgM can be detected in nearly all cerebrospinal fluid (CSF) and serum specimens received from WNV infected patients at the time of their clinical presentation.
当患者感染西尼罗河病毒并出现临床表现时，几乎可以在所有收集的脑脊液(CSF)和血清样本中发现IgM。
Studies should identify local mosquito species that play a role in WNV transmission, including those that might serve as a “bridge” from birds to human beings.
研究应确定当地传播西尼罗河病毒的蚊子种类，包括可能“桥接”鸟类和人类的蚊子。
West Nile Virus (WNV) can cause neurological disease and death in people. WNV is commonly found in Africa, Europe, the Middle East, North America and West Asia.
西尼罗河病毒可以导致人类罹患神经系统疾病甚至死亡。
West Nile virus (WNV) infection is an endemic disease caused by WNV that is maintained in a natural transmission cycle involving mosquito vectors and bird reservoir hosts.
西尼罗病毒(WNV)感染是一种经蚊虫传播，以鸟类为主要动物宿主的自然疫源性疾病。
Effective prevention of human WNV infections depends on the development of comprehensive, integrated mosquito surveillance and control programmes in areas where the virus occurs.
有效的人类西尼罗河病毒感染预防有赖于在病毒存在区域制定综合、全面的蚊子监测和控制规划。
The WNV outbreak in USA (1999-2010) highlighted that importation and establishment of vector-borne pathogens outside their current habitat represent a serious danger to the world.
西尼罗河病毒在美国的疫情(1999- 2010)显示出媒介传播病原体输入并扎根于现有生存地之外的地方会对世界带来严重危险。
Before 1997 WNV was not considered pathogenic for birds, but at that time in Israel a more virulent strain caused the death of different bird species presenting signs of encephalitis and paralysis.
在1997年以前，西尼罗河病毒并未被认为对鸟类具有致病性，但就在那时，以色列出现了一种能够导致多种鸟类出现脑炎和麻痹症状继而死亡的毒力更强的毒株。
Before 1997 WNV was not considered pathogenic for birds, but at that time in Israel a more virulent strain caused the death of different bird species presenting signs of encephalitis and paralysis.
在1997年以前，西尼罗河病毒并未被认为对鸟类具有致病性，但就在那时，以色列出现了一种能够导致多种鸟类出现脑炎和麻痹症状继而死亡的毒力更强的毒株。
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