1·West nile virus migrates to southeast.
西尼罗病毒向东南传播。
2·Birds are the natural hosts of West Nile virus.
鸟类是西尼罗河病毒的自然宿主。
3·West Nile virus first appeared in North America in 1999.
西尼罗河病毒最早是1999年在北美洲被发现的。
4·West Nile virus identified as transfusion transmissible.
确定西尼罗河病毒的输血传染性。
5·First West Nile Virus-positive unit of blood intercepted.
从血液中截获第一例西尼罗河病毒阳性单位。
6·West Nile virus can be diagnosed by a number of different tests
西尼罗河病毒可以通过多种不同的检验获得诊断
7·West Nile virus can cause a fatal neurological disease in humans.
西尼罗河病毒能够引起人类致命性神经系统疾病。
8·Recently, a similar test was introduced for the West Nile virus.
最近，针对西尼罗河病毒的检测也被引入了。
9·Aerial surveys show the crop from West Nile is "generally stunted," he said.
空中调查显示，来自西尼罗河的作物“通常发育不良，”他说。
10·Other kinds of encephalitis include West Nile, Saint Louis and Eastern Equine.
其它类型的脑炎有西尼罗河、圣路易斯、东方马。