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目的分析2009-2013年句容市手足口病的流行病学和病原学特征,为加强防治工作提供依据。方法采用描述流行病学方法对手足口病病例特征进行统计分析。结果 2009-2013年句容市共报告手足口病发病病例4 143例,年平均发病率133.89/10万;重症39例,无死亡病例。每年的11月是发病高峰季节,2010年以来有6月发病增多的倾向。发病年龄主要集中在1~6岁儿童(93.99%),散居儿童、幼托儿童分别占50.93%、45.33%。17起聚集性疫情均发生在幼托机构。实验室诊断246例,EV71、Cox A、其他肠道病毒分别占41.46%、32.11%、26.42%;监测399份疑似手足口病病例标本,阳性率54.64%;2009年、2012年以Cox A组16型为主,2010年、2011年以EV71型为主,而2013年则以其他肠道病毒为主。重症病例以EV71型为主。结论 2009-2013年句容市手足口病疫情持续流行,EV71、Cox A16、其他肠道病毒同时存在,且交替主导流行,散居儿童、幼托儿童、幼托机构是高发人群和高发场所,应加强宣教和防控力度。
Objective To analyze the epidemiological and etiological characteristics of hand-foot-mouth disease in Jurong City from 2009 to 2013, so as to provide basis for strengthening prevention and control work. Methods Descriptive epidemiological methods were used to analyze the characteristics of hand-foot-mouth disease cases. Results A total of 4 143 cases of hand-foot-mouth disease were reported in Jurong from 2009 to 2013, with an average annual incidence of 133.89 / 100 000; severe cases of 39 cases without death. November each year is the peak season of onset, since June 2010 there is a tendency to increase incidence. The age of onset mainly concentrated in children aged 1 to 6 years (93.99%), scattered children and preschool children accounted for 50.93% and 45.33% respectively. 17 cluster episodes occurred in kindergartens. Laboratory diagnosis of 246 cases, EV71, Cox A, other enterovirus accounted for 41.46%, 32.11%, 26.42%; monitoring of 399 cases of suspected hand-foot-mouth disease cases, the positive rate was 54.64%; 2009, 2012, Cox A group 16 type, mainly in 2010, EV71 type in 2011, while in 2013 it was dominated by other enteroviruses. Severe cases to EV71-based. Conclusion The epidemic situation of hand-foot-mouth disease in Jurong City continued to be epidemic in 2009-2013. EV71, Cox A16 and other enterovirus coexisted, and the prevalence was dominant. Diving, diaspora and kindergarten were the high-risk groups and high-risk places Strengthen education and prevention and control efforts.