重要事实:●西尼罗河病毒能够引起人类致命性神经系统疾病。●但是,约80%的病毒感染者没有任何症状。●西尼罗河病毒主要通过受感染蚊子的叮咬传播给人类。●该病毒能够导致马患上严重疾病,甚至死亡。●有可供马使用的疫苗,但没有用于人类的疫苗。●鸟类是西尼罗河病毒的自然宿主。西尼罗河病毒可以导致人类罹患神经系统疾病甚至死亡。西尼罗河病毒在非洲、欧洲、中东、北美和西亚很常见,以鸟和蚊子之间的传播 Important facts: ● West Nile virus can cause human fatal neurological diseases. ● However, about 80% of people infected with the virus have no symptoms. ● West Nile virus is transmitted to humans primarily through bites of infected mosquitoes. ● The virus can cause serious illness and even death in horses. ● There are vaccines available for use by horses, but no vaccine for humans. ● Birds are natural hosts of West Nile virus. West Nile virus can cause human diseases and even death of nervous system. West Nile virus is common in Africa, Europe, the Middle East, North America and West Asia, with bird-and-mosquito transmission