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目的分析2009—2011年无锡市滨湖区托幼机构手足口病的流行特征。方法 2012年7月对2009—2011年滨湖区手足口病疫情资料(来源于中国疾病预防控制信息系统)、人口资料(来源于滨湖区2009—2011年统计年鉴)进行分析,采用描述性流行病学方法对数据进行分析。患者标本由无锡市滨湖区疾控中心及时采集,标本类型为肛拭子(咽拭子或粪便),检测病毒核酸。结果 2009—2011年滨湖区手足口病共发病1 313例,各年发病率分别为40.29%、39.85%、33.60%。2009—2011年发病例数居前3位的是:华庄街道214例,河埒街道209例,荣巷街道186例。发病高峰2009年主要集中在11、12月,2010年主要集中在3、10月,2011年主要集中在6、7、12月。以2~3岁发病率最高。病毒分型:肠道病素71型(enterovirus 71,EV71)占45.30%,柯萨奇病毒A16型(coxsackievirus A16,CoxA16)占33.33%。结论加强托幼机构手足口病的疫情监测,做好消毒和健康教育工作是控制疫情的关键。开展手足口病病原学研究,有助于提出有针对性的防控措施。
Objective To analyze the epidemiological characteristics of hand-foot-mouth disease in nurseries in Binhu District of Wuxi City from 2009 to 2011. Methods In July 2012, the data of HFMD in Binhu District from 2009 to 2011 (from China Disease Control and Prevention Information System) and demographic data (Statistical Yearbook 2009-2011 from Binhu District) were analyzed, and the descriptive Epidemiological methods were used to analyze the data. Patient samples were collected by CDC in Binhu District of Wuxi in time. The specimens were anal swabs (throat swab or feces) and virus nucleic acid was detected. Results A total of 1 313 cases of HFMD in Binhu District from 2009 to 2011 were observed. The incidence of HFMD in each year was 40.29%, 39.85% and 33.60% respectively. The top 3 cases of incidence in 2009-2011 are 214 cases of Huazhuang Street, 209 cases of Hejian Street and 186 cases of Rongxiang Street. Peak incidence in 2009 mainly concentrated in November and December, 2010 mainly concentrated in March and October, 2011 mainly concentrated in June, July and December. The highest incidence of 2 to 3 years old. Virus typing: enterovirus 71 (EV71) accounted for 45.30%, Coxsackievirus A16 (CoxA16) accounted for 33.33%. Conclusion It is crucial to strengthen the monitoring of epidemic situation of hand-foot-mouth disease in nurseries and to do a good job in disinfection and health education. Hand-foot-mouth disease etiology research, help to put forward targeted prevention and control measures.