黎平县2009—2012年手足口病流行特征分析

Epidemiological characteristics of hand,foot,amd mouth disease,Liping County,2009- 2012

目的掌握黎平县手足口病流行强度和流行趋势,为制定防控对策提供依据。方法采用描述性流行病学方法对2009—2012年黎平县手足口病疫情资料进行分析。结果黎平县2009—2012年累计报告手足口病504例,年均发病率为23.91/10万。报告重症病例7例,重症率为1.39%;报告死亡病例3例,死亡率为0.14/10万。男性368例,女性136例,男女性别比为2.7∶1;病例年龄主要集中在1～3岁,占发病总数的84.52%（426/504）;职业以散居儿童为主,共460例,占91.27%。发病有明显的季节性,发病高峰在4—6月（180例,占35.71%）和11—12月（137例,占27.18%）。结论 2009—2012年黎平县手足口病发病率比较低,发病以1～3岁散居儿童为主,今后应加强对散居儿童等重点人群的手足口病防控工作。

Objective To understand epidemic intensity and trend of hand,foot,and mouth disease（ HFMD） in Liping County so as to provide the basis for developing control strategies. Methods Descriptive epidemiological method was used to analyze outbreaks of HFMD in Liping County from 2009 to2012. Results A total of 504 cases of HFMD were reported and the average annual incidence rate was23. 91 /100 000. Of all reported cases,7 were severe cases（ rate of severe cases,1. 39%） and 3 deaths（ mortality rate,0. 14 /100 000）; 368 were male and 136 were female,with a sex ratio of 2. 7∶ 1; 426（ 84. 52%） cases aged at 1- 3 years; 460（ 91. 27%） were scattered children. Clear seasonality of HFMD occurrence was observed. Epidemic peaks were in April-June（ 180 cases,35. 71%） and November-December（ 137,27. 18%）. Conclusion Incidence of HFMD was relatively low in Liping County during2009- 2012 and mainly occurred in scattered children aged 1- 3 years. HFMD prevention and control should be strengthened for the scattered children.