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目的了解2012年大连市手足口病的流行现状及特征,掌握流行规律,为制定有效的防控对策提供依据。方法从2012年国家疾病监测报告管理系统报告的手足口病疫情中收集信息,采用描述性流行病学的方法进行分析。结果2012年大连市手足口病累计报告15 637例,重症107例,占总发病数的0.68%,无死亡病例;6～8月为发病高峰,共13 002例,占总发病数的83.15%;发病人群主要集中在1～5岁儿童,占发病数的82.02%,男女性别比为1.54∶1,不同性别发病率的差异有统计学意义(P<0.01)。实验室检测620份样品,核酸阳性447份,阳性率为72.10%,其中柯萨奇病毒A组16型309份,肠道病毒71型31份,其他肠道病毒107份。结论大连市手足口病疫情较为严重,1～5岁儿童为高发人群,加强托幼机构防病指导应为防控的重点工作。
Objective To understand the epidemic status and characteristics of HFMD in Dalian in 2012, master the epidemic rules and provide evidence for effective prevention and control measures. Methods The information collected from the HFMD epidemic reported by the national disease surveillance report management system in 2012 was analyzed using a descriptive epidemiological approach. Results A total of 15 637 cases of hand-foot-mouth disease were reported in Dalian in 2012, with 107 severe cases accounting for 0.68% of the total cases without deaths. The peak incidence was from June to August with a total of 13 002 cases, accounting for 83.15% ; The incidence of patients mainly concentrated in children aged 1 to 5 years, accounting for 82.02% of the number of incidence, male to female ratio was 1.54: 1, the incidence of different gender differences were statistically significant (P <0.01). There were 620 samples tested positive in laboratory, the positive rate was 72.10%. There were 309 Coxsackievirus A type 16 strains, 31 enterovirus 71 strains and 107 other enteroviruses. Conclusion The epidemic situation of HFMD in Dalian is relatively serious. Children aged 1 ~ 5 years are high risk population. Strengthening the guidance of disease prevention in nursery schools should be the key task of prevention and control.