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目的综述三峡库区的乙脑流行趋势及变化特征;找出库区乙脑发生与影响因素之间的相关性,为三峡库区乙脑防控提供科学依据。方法研究对1997年1月至2016年3月国内外发表的中英文文献进行检索,有关乙脑(三峡库区)流行病学分析、危险因素研究、中间宿主血清抗体或疫苗接种率内容纳入分析。结果近年来三峡库区的乙脑发病水平不断降低,湖北段处于低位水平,但重庆段仍处于全国高位水平。病例中男性均多于女性,发病均集中在7~8月,均以15岁以下病例为主。对乙脑发病产生影响的是宿主、传播媒介、气候变量及社会因素之间复杂的相互作用;结论建议库区采取的乙脑的防控策略是继续加强乙脑监测,控制蚊媒,改善环境,保证免疫人群的高接种率。
OBJECTIVE To summarize the epidemiological and epidemiological characteristics of Japanese encephalitis in the Three Gorges Reservoir Area and find out the correlation between the occurrence and influencing factors of Japanese encephalitis in the reservoir area and provide a scientific basis for the prevention and control of Japanese encephalitis in the Three Gorges Reservoir Area. Methods The Chinese and English literatures published from January 1997 to March 2016 were searched. The epidemiological analysis, risk factors, intermediate antibody or vaccination rate of JE (Three Gorges Reservoir Area) were included in the analysis . Results The incidence of Japanese encephalitis in the Three Gorges reservoir area decreased continuously in recent years, while in Hubei province it was at a low level, but the Chongqing section was still at a national high level. Men were more cases than women, the incidence was concentrated in the 7 to August, are under the age of 15 cases. The impact on the incidence of Japanese encephalitis is the complex interaction between host, media, climate variables and social factors. Conclusion It is suggested that the prevention and control strategies of Japanese encephalitis in the reservoir area should continue to strengthen the monitoring of JE to control mosquito vectors and improve the environment , To ensure high immunization population immunization rates.