1、12345.Distribution of West Nile Virus(blue)and other Flaviviridae:St.Louis Encephalitis,orange;Japanese Encephalitis,red;West Nile and Japanese Encephalitis,black;Murray Valley and Kunjin,yellow6 Culex mosquito laying eggs 7三带喙库蚊雄蚊头部三带喙库蚊雄蚊头部8三带喙库蚊后足股节三带喙库蚊后足股节9The distribution of J.E in Asia1011病毒血
2、症病毒数量与毒力 人体免疫力121314 脑组织内有多发性镂空软化灶脑组织内有多发性镂空软化灶15 胶质小结胶质小结16 脑血管周围大量淋巴细胞浸润脑血管周围大量淋巴细胞浸润(血管淋巴套血管淋巴套)17 血管淋巴套血管淋巴套18脑组织脑组织 软化灶软化灶:椭圆形染色浅淡区椭圆形染色浅淡区,结构疏松呈网状结构疏松呈网状 19小脑蒲肯野细胞内有一圆形、嗜酸性的病毒包涵体小脑蒲肯野细胞内有一圆形、嗜酸性的病毒包涵体 20The pathology consist of perivascular congestion and hemorrhage。21Glial nodules consist of
3、a small Glial nodules consist of a small focus of lymphocytes and microglial focus of lymphocytes and microglial cells centered on a neuron,and there cells centered on a neuron,and there is often evidence of neuronophagia is often evidence of neuronophagia 22淋巴细胞和单核细胞浸润淋巴细胞和单核细胞浸润23242526高热高热搐抽搐抽呼吸呼吸衰竭衰竭272829303132333435363738394041424344454647484950 高热高热 抽搐抽搐 呼吸衰竭呼吸衰竭对症治疗对症治疗 互为因果,恶性循环,及时处理互为因果,恶性循环,及时处理515253545556575859