2008-2009年宁德市手足口病疫情分析

Epidemiological Analysis on Hand Foot and Mouth Disease in Ningde,2008-2009

目的了解2008-2009年宁德市手足口病疫情特征,为手足口病的预防和控制提供基础资料。方法从国家疾病监测信息管理系统中导出2008-2009年宁德市报告的手足口病个案,应用SPSS软件分析并描述疾病三间分布等流行病学特征。结果 2008-2009年,全市共报告手足口病4 602例,年均发病率为73.21/10万。疫情波及9个县(市、区)118个乡镇。城区、农村发病率分别为117.87/10万、50.25/10万,城区发病率高于农村(χ2=883.14,P<0.01)。绝大多数病例为4岁及以下儿童(92.92%)。49例实验室确诊病例中有48例为肠道病毒71型感染,1例为其他肠道病毒感染,未检出CVA16感染病例。结论 2008-2009年宁德市手足口病主要由肠道病毒71型引起,病例以婴幼儿为主,发病高峰在每年的4～5月和9～11月。

Objective To analyze the epidemiological characteristics of hand foot and mouth disease（HFMD） in Ningde during 2008-2009 and provide evidence for HFMD control and prevention.Methods The incidence data of HFMD was obtained from national disease information reporting system and analyzed by using SPSS software to know the time,geographic and population distributions of the disease.Result During 2008-2009,a totalof 4 602 HFMD cases were reported with annual average incidence rate of 73.21/105.The Cases were distributed in 118 townships among 9 counties（district） in Ningde.Two epidemic peaks were observed,one was in summer（April-May）,another one was in autumn（September-November）.Most cases（92.92%） were children less than 5 years old.The incidence rate of HFMD in urban area was 117.87/105,which was significantly higher than that of 50.25/105 in rural area（χ2=883.14,P0.001）.Among 49 confirmed HFMD cases,48 were caused by enterovirus 71 infection and one was caused by other enterovirus infection.No Coxsackie virus A16 infection was detected.Conclusion The most HFMD cases were children less than 5 years old in Ningde during 2008-2009.The disease pathogen was mainly enterovirus 71 and the incidence of disease peaked in summer and autumn.