达珍, 次仁顿珠, 彭措次仁, 孙晓冬, 潘浩. 2009-2013年西藏自治区手足口病流行特征分析[J]. 疾病监测, 2014, 29(11): 862-866. DOI: 10.3784/j.issn.1003-9961.2014.11.006
引用本文: 达珍, 次仁顿珠, 彭措次仁, 孙晓冬, 潘浩. 2009-2013年西藏自治区手足口病流行特征分析[J]. 疾病监测, 2014, 29(11): 862-866. DOI: 10.3784/j.issn.1003-9961.2014.11.006
Dazhen, Cirendunzhu, Pengcuociren, SUN Xiao-dong, PAN Hao. Epidemiology of hand foot and mouth disease in Tibet, 2009-2013[J]. Disease Surveillance, 2014, 29(11): 862-866. DOI: 10.3784/j.issn.1003-9961.2014.11.006
Citation: Dazhen, Cirendunzhu, Pengcuociren, SUN Xiao-dong, PAN Hao. Epidemiology of hand foot and mouth disease in Tibet, 2009-2013[J]. Disease Surveillance, 2014, 29(11): 862-866. DOI: 10.3784/j.issn.1003-9961.2014.11.006

2009-2013年西藏自治区手足口病流行特征分析

Epidemiology of hand foot and mouth disease in Tibet, 2009-2013

  • 摘要: 目的 掌握西藏自治区2009-2013年手足口病的发病特征以及流行趋势,为制定西藏自治区手足口病防控策略提供参考.方法 对2009-2013年西藏自治区传染病网络报告的所有手足口病病例进行描述性流行病学分析,采用荧光定量反转录-聚合酶链反应对采集到的病例咽拭子、疱疹液等标本进行实验室检测确认病原体.结果 2009-2013年西藏自治区共报告手足口病病例4471例,年均发病率24.95/10万,其中重症17例,无死亡病例.2010年和2012年发病率较高,分别为66.30/10万和42.12/10万.地区分布中,拉萨市年均发病率最高,达90.79/10万,昌都地区年平均发病率最低(1.40/10万).发病有明显季节性,9-10月为秋季发病高峰,强度高于4-7月春夏季高峰.病例以≤5岁儿童为主,占77.88%;男性多于女性.病原以肠道病毒71型(EV71)为主,占65.18%.结论 2009-2013年西藏手足口病呈"当年高发、次年低发"的流行特征;发病呈双峰流行,秋季高峰尤为明显,不同于全国其他地区;主要危及≤5岁婴幼儿,病原以EV71为主.西藏要重点防范秋季高发,突出针对低龄、城市婴幼儿人群的防控.

     

    Abstract: Objective To understand the epidemiological characteristics of hand foot and mouth disease (HFMD) in Tibet autonomous region during 2009-2013 and provide scientific evidence for the prevention and control of HFMD. Methods The incidence data of HFMD in Tibet during 2009-2013 was collected from national disease reporting information system to conduct descriptive epidemiological analysis, and the throat swabs, vesicle fluids and other specimens were collected from the cases for pathogen detection with real time RT-PCR. Results A total of 4471 HFMD cases, including 17 severe cases, were reported in Tibet during this period, no deaths were reported. The annual incidence of HFMD was 24.95/lakh. The annual incidence in 2010 (66.30/lakh) and in 2012 (42.12/lakh) were much higher than those in other years. The reported annual incidence was highest in Lhasa (90.79/lakh) and lowest in Chamdo (1.40/lakh). Two incidence peaks occurred during a year, one was during April-July, and another one was during September-October. More cases were reported in autumn peak. Most cases occurred in children aged ≤5 years old, accounting for 77.88%. Etiological surveillance indicated that EV71 was the major pathogen, accounting for 65.18%. Conclusion HFMD occurred in a yearly up and down pattern in Tibet during 2009-2013. Epidemiological characteristics of HFMD in Tibet were different from other provinces of China. Two incidence peaks of HFMD were observed, but more cases occurred in autumn peak than in spring peak. HFMD mainly occurred in children aged ≤5 years and most cases were caused by EV71. It is important to strengthen the prevention and control of HFMD among urban area living young children during the incidence peak period.

     

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