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目的了解四川省大竹县手足口病的流行特征及其变化。方法采用描述流行病学方法对2009-2013年大竹县手足口病疫情监测资料进行分析。结果 2009-2013年大竹县共报告手足口病893例,年均发病率为19.81/10万,死亡1例,不同年份间发病率差异有统计学意义(χ2=845.07,P<0.01),以2013年发病率最高。全县50个乡镇均有病例报告,以竹阳镇为主。发病呈双峰型,主要集中在4-7月和10-12月。年龄以5岁以下儿童为主,男性多于女性。患者主要是散居儿童和幼托儿童。病原体以柯萨奇病毒A组16型(Cox A16)和肠道病毒71型(EV71)并存。结论大竹县手足口病的发生存在明显的季节、年龄、性别、地区差异。
Objective To understand the epidemiological characteristics and changes of hand-foot-mouth disease in Dazhu County, Sichuan Province. Methods Descriptive epidemiological methods were used to analyze the surveillance data of HFMD in Dazhu County from 2009 to 2013. Results A total of 893 cases of hand, foot and mouth disease were reported in Dazhu County from 2009 to 2013, with an average annual incidence of 19.81 / 100 000 and 1 death. There was significant difference in morbidity between years (χ2 = 845.07, P <0.01) The highest incidence in 2013. The county 50 towns have a case report, mainly to the town of bamboo. The incidence was bimodal, mainly concentrated in April-July and October-December. The majority of children are under 5 years of age, with more men than women. Patients are mainly diaspora and kindergarten children. The pathogens coexisted with Coxsackie A, type 16 (Cox A16) and enterovirus 71 (EV71). Conclusion There are obvious seasonal, age, gender and regional differences in the occurrence of HFMD in Dazhu County.