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目的分析柳城县2011-2014年手足口病疫情的流行特征,为制定防控策略提供依据。方法采用描述流行病学方法,对柳城县2011-2014年手足口病发病情况和病原学检测情况进行分析。结果 2011-2014年柳城县累计报告手足口病6 900例,发病率为479.61/10万,重症病例22例,死亡病例1例。发病呈现夏季单峰分布,重症病例集中在2012和2014年。<5岁的儿童是主要发病人群,占发病总数的93.03%,男女性别比为1.38∶1,散居儿童和托幼儿童分别占74.22%和23.39%。县区发病率高于农村,聚集性手足口病疫情集中在学校和托幼机构。2011-2014年实验室确诊病例为118例,其中EV71感染占53.39%,Cox A16感染占37.29%;2012年和2014年优势毒株是EV71病毒,2011年和2013年优势毒株是Cox A16病毒。结论 2011-2014年柳城县手足口病疫情发病率呈上升趋势,有明显的季节、地区和年龄分布特征,应采取有效的综合防控措施加强高发季节及重点地区(场所)、重点人群的防控工作。
Objective To analyze the epidemiological characteristics of HFMD in 2011-2014 in Liucheng County and provide evidence for the development of prevention and control strategies. Methods Descriptive epidemiological methods were used to analyze the incidence and pathogen detection of HFMD in 2011-2014 in Liucheng County. Results A total of 6 900 hand-foot-mouth disease cases were reported in Liucheng County from 2011 to 2014, with an incidence rate of 479.61 / 100,000, 22 cases of severe disease and 1 case of death. The onset of summer monomorphic distribution, severe cases concentrated in 2012 and 2014. Children <5 years of age were the main group, accounting for 93.03% of the total number of cases. The male / female ratio was 1.38:1. The number of children living with children and children in kindergartens was 74.22% and 23.39% respectively. The incidence of counties and districts is higher than that of rural areas. The epidemic of HFMD is concentrated in schools and kindergartens. The number of laboratory confirmed cases in 2011-2014 was 118, of which 53.39% were EV71 and 37.29% were Cox A16. The predominant strains in 2012 and 2014 were EV71 and the predominant strains in 2011 and 2013 were Cox A16 . Conclusion The prevalence of hand, foot and mouth disease in Liucheng County in 2011-2014 is on the rise. There are obvious seasonal, regional and age distributional characteristics. Effective prevention and control measures should be taken to strengthen prevention and control of high incidence season and key areas (places) and key populations Control work.