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目的对2011-2015年广州市手足口病流行特征和EV71的感染情况进行分析,为制定防控措施提供依据。方法利用中国疾病预防控制信息系统的“传染病报告信息管理系统”的手足口病病例资料及人口统计学资料,分析广州市2011-2015年手足口病病例以及其中EV71病毒感染病例流行特征。结果 2011-2015年广州市总共报告手足口病病例317 944例,3 890例为EV71感染。重症病例56例,死亡病例13例,死亡病例均为EV71感染病例;发病高峰是4-7月,部分年份9-10月还会出现一个小高峰,从地区分布来看,花都、白云发病率高,从人群特征来看,男性、1~4岁组以及散居儿童发病率高,EV71病例的时间、地区、人群分布情况与手足口病总体情况基本一致。结论广州市手足口病的发病有明显的季节性和地区差异,5岁及以下、男童和散居儿童是重点防控特征,感染EV71病毒导致重症和死亡的可能性大。
Objective To analyze the epidemic characteristics of HFMD and the infection status of EV71 in Guangzhou from 2011 to 2015, and provide the basis for the development of prevention and control measures. Methods Using HFMD data and demographic data of Infectious Disease Reporting Information Management System of China Disease Prevention and Control Information System to analyze the prevalence of HFMD in 2011-2015 in Guangzhou City and the prevalence of EV71 virus infection among them . Results In 2011-2015, a total of 317 944 HFMD cases were reported in Guangzhou and 3890 were EV71 infections. 56 cases of severe cases, 13 cases of deaths, the deaths were EV71 infection cases; peak incidence is from April to July, some of the years from September to October there will be a small peak, the distribution from the point of view, Huadu, white cloud disease In terms of population characteristics, incidence rates of male, 1 to 4 years old group and diaspora were high. The distribution of time, region and population of EV71 cases was basically the same as that of HFMD. Conclusions There are obvious seasonal and regional differences in the incidence of HFMD in Guangzhou. Children aged 5 and below, boys and diaspora are the key prevention and control features. The infection with EV71 virus is more likely to cause severe illness and death.