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浙江大学学报(医学版)  2014, Vol. 43 Issue (2): 212-217    DOI: 10.3785/j.issn.1008-9292.2014.03.015
论著     
2013年杭州市手足口病患儿及其接触人群流行病学调查
周俊1,2,吴亦栋2,陈晓玲2,宋超3,严杰1
1. 浙江大学医学院病原生物学系,浙江 杭州310058
2. 杭州市儿童医院检验科,浙江 杭州 310014
3. 浙江省人民医院浙江省临床检验中心,浙江 杭州310014
Epidemiological investigation of hand-foot-and-mouth disease in children and exposed population in Hangzhou city
ZHOU Jun1, 2, WU Yi-dong2, CHEN Xiao-ling2, SONG Chao3, YAN Jie1
1. Department of Medical Microbiology and Parasitology, Zhejiang University School of Medicine, Hangzhou 310058, China; 2. Clinical Laboratory of Hangzhou Children′s Hospital, Hangzhou 310014, China; 3. Department of Laboratory Medicine, Zhejiang Provincial People′s Hospital, Hangzhou 310014, China
全文: PDF(667 KB)  
摘要: 

目的:了解2013年杭州市手足口病(HFMD)流行特征、不同HFMD病原体与疾病严重程度关系以及人肠道病毒71型(HEV71)阳性重症HFMD患儿接触人群HEV71携带率。方法:采集2013年杭州市儿童医院收治的HFMD疑似患儿咽拭子或粪便标本,采用实时荧光定量PCR检测HFMD病原体,了解轻症和重症HFMD患儿中HFMD病原体的分布。选取54例HEV71阳性重症HFMD患儿家属中密切接触和一般接触者各1名,检测其粪便标本中的HEV71并随访1个月。分析杭州市儿童医院2011~2013年检出的HFMD病原体构成比差异和优势病原体转变。结果:849例HFMD疑似患儿中确诊641例,男女患儿比例1.4∶1,1~3岁患儿占80.3%。HFMD患儿标本中24.3%(156/641)检出HEV71,4.7%(30/641)检出A组16型柯萨奇病毒(CVA16),71.0%(455/641)检出其他肠道病毒。75.6%(118/156)HEV71感染病例为重症HFMD,但CVA16和其他HFMD病毒感染病例中仅分别有13.3%(4/30)和6.2%(28/455)为重症HFMD,三者间差异有统计学意义(χ2=43.28, P<0.05)。2011、2012年HFMD优势病原体为HEV71,2013年为其他肠道病毒。54例密切接触者和54例一般接触者中分别有9例和10例检出HEV71(P>0.05),且均无HFMD临床表现。结论:2013年杭州市HFMD流行季节、好发年龄与性别无明显变化,HEV71感染易引发重症HFMD,但其他肠道病毒已替代HEV71成为HFMD优势病原体。

关键词 手足口病/流行病学手足口病/病因学感染浙江/流行病学    
Abstract

Objective: To investigate the epidemic characteristics of hand-foot-and-mouth disease (HFMD) in children and exposed population in Hangzhou city.Methods: The throat swab or stool samples from children with HFMD admitted in Hangzhou Children′s Hospital were collected. The HFMD pathogens were detected by real-time fluorescent quantitative PCR. The distribution of different HFMD pathogens in HFMD patients was subsequently determined. Human enteric virus type-71 (HEV71) in stool samples from subjects, who had close or general contact to 54 severe HFMD children with positive HEV71, was detected, and these contact persons were followed-up for one month. The diversity of predominant pathogens of HFMD in the area during 2011-2013 was investigated.Results: In 641 HFMD children, the male/female ratio was 1.4∶1 and 80.3% was 1-3 years old. HEV71 was detected in 24.3% HFMD children (156/641), while coxakievirus group-A type-16 (CVA16) and other enteroviruses were detected in 4.7% (30/641) and 71.0% (455/641) of the cases, respectively. 75.6% (118/156) of HEV71-infected cases were diagnosed as severe HFMD cases, while those for CVA16-infected and other HFMD viruses-infected were 13.3% (4/30) and 6.2% (28/455) respectively (χ2=43.28, P<0.05). HEV71 was the predominant HFMD pathogens during 2011-2012, while the predominant HFMD pathogens in 2013 were the other HFMD viruses. In the 54 close contact persons or 54 general contact persons, 9 or 10 persons were detectable for HEV71, but no clinical symptoms of HFMD were presented.Conclusion: There are no marked changes of epidemic seasons, favorable age and gender ratio of HFMD in Hangzhou area in 2013. The infection of HEV71 tends to cause the severe HFMD but the other enteroviruses have substituted HEV71 as the predominant pathogens of HFMD.

Key wordsHand, foot and mouth disease/epidemiology    Hand, foot and mouth disease/etiology    Infection    ZHEJIANG/epidemiology
收稿日期: 2013-12-14      出版日期: 2014-01-21
基金资助:

浙江省自然科学基金(LY13H040007);浙江省医药卫生科技计划(2012KYB159);杭州市卫生科技计划(2012B011).

通讯作者: 严杰(1956-),博士,教授,博士生导师,主要从事病原微生物致病机制及新型疫苗和抗菌药物研究; E-mail: med_bp@zju.edu.cn   
Corresponding author: YAN Jie, E-mail: med_bp@zju.edu.cn   
作者简介: 周俊(1982-),女,硕士研究生,技师,从事临床微生物检验及研究工作; E-mail: 34130284@qq.com
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引用本文:

周俊,吴亦栋,陈晓玲,宋超,严杰. 2013年杭州市手足口病患儿及其接触人群流行病学调查[J]. 浙江大学学报(医学版), 2014, 43(2): 212-217.
ZHOU Jun, WU Yi-dong, CHEN Xiao-ling, SONG Chao, YAN Jie. Epidemiological investigation of hand-foot-and-mouth disease in children and exposed population in Hangzhou city. Journal of ZheJiang University(Medical Science), 2014, 43(2): 212-217.

链接本文:

http://www.zjujournals.com/xueshu/med/CN/10.3785/j.issn.1008-9292.2014.03.015      或      http://www.zjujournals.com/xueshu/med/CN/Y2014/V43/I2/212

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