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流行性乙型脑炎(简称乙脑)是一种严重危胁人民健康的急性传染病。在我国分布广,除西藏,青海,新疆三省区为非流行区外,其它省市均有不同程度的流行,而且近十几年来疫区有北移的趋势。从世界范围来看,除中国外,北至俄罗斯的远东地区,南到马来西亚,西南到印度及尼泊尔等广大地区,均有本病的流行。乙脑是虫媒病毒病中流行较广的一种自然疫源性疾病。中国是乙脑发病人数最多的国家,每年全国乙脑病例占世界总发病数的8(?)%以上。1983年在日本召开的世界卫生组织亚太地区会议上,乙肝、流行性出血热和乙脑被
Japanese encephalitis (JE) is an acute infectious disease that seriously threatens people’s health. In our country is widely distributed, with the exception of Tibet, Qinghai and Xinjiang provinces as non-endemic areas, other provinces and cities have varying degrees of prevalence, and the epidemic area has moved northward in the past decade or so. From a global perspective, in addition to China, the disease spread to the Far East in Russia to the north, to Malaysia in the north, to India and Nepal in the southwest. JE is a widespread epidemic of zoonotic virus disease, a natural foci of disease. China is the country with the largest number of Japanese encephalitis cases. Each year, the number of Japanese encephalitis cases accounts for over 8% of the world’s total number of cases. Hepatitis B, epidemic hemorrhagic fever and Japanese encephalitis were reported at the World Health Organization Asia Pacific Conference held in Japan in 1983