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目的了解河北省流行性乙型脑炎(乙脑)的流行情况,为有效控制乙脑提供科学依据。方法利用传染病报告系统报告数据,分析河北省乙脑流行病学特征。结果河北省乙脑发病率从20世纪80年代开始呈大幅度下降趋势,到20世纪90年代已降到<0.5/10万,2000年以后发病率降到<0.1/10万。病例散发且相对集中在河北省中南部地区,呈明显的夏秋季流行高峰,55%病例为<15岁儿童,男多于女,以学生、农民、散居儿童和托幼儿童为主。结论防制乙脑应采取以预防接种及灭蚊、防蚊为主的综合性预防措施,预防接种的重点人群为<15岁儿童。
Objective To understand the prevalence of Japanese encephalitis (JE) in Hebei Province and provide a scientific basis for the effective control of JE. Methods The report data of infectious diseases was used to analyze the epidemiological characteristics of Japanese encephalitis in Hebei Province. Results The incidence of Japanese encephalitis in Hebei Province showed a drastic downward trend from the 1980s. By the 1990s, the incidence of Japanese encephalitis had dropped to <0.5 / 100,000. After 2000, the incidence of Japanese encephalitis dropped to <0.1 / 100,000. The cases were distributed and relatively concentrated in central and southern Hebei Province, showing a clear peak in summer and autumn. 55% of cases were children aged <15 and more than males, mainly students, peasants, diaspora and kindergarten children. Conclusion Prevention of Japanese encephalitis should be taken to prevent vaccination and mosquito control, mosquito-based comprehensive preventive measures, the key population vaccination for children <15 years old.