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目的分析梅州市流行性感冒监测结果,为预防及控制提供依据。方法利用感染性疾病检测系统统计2014年1月~2015年11月发热门诊监测的流行性感冒病例数据,采集部分流行性感冒患者的咽拭子标本做检测,用MDCK细胞对流感病毒进行分离,采用血凝抑制试验对流感病毒进行型别鉴定。结果共监测流感样病例2830例,包括2014年的1425例与2015年的1395例,占门诊就诊比例的1.24%,采集咽拭子标本1256例,分离出病毒的阳性标本有154例,其阳性率为12.26%,2014年80例,2015年74例,其中甲型为123例,乙型为25例,丙型为6例;感病毒阳性主要以小于10岁人群占较大比例,2014年为70.00%,2015年为69.92%;职业分布以散居儿童与幼儿园学生居多;流感病毒爆发时间以1~3月份较多。结论两年内市区流行性感冒处于相对平稳状态,儿童是流行性感冒的易感人群,做好儿童的预防是预防控制工作的重点。
Objective To analyze the results of influenza surveillance in Meizhou and provide the basis for prevention and control. Methods Infectious disease detection system was used to collect the data of influenza cases monitored in outpatients from January 2014 to November 2015. Throat swab specimens from some patients with influenza were collected and tested for influenza virus isolation using MDCK cells. The hemagglutination inhibition test was used to identify the type of influenza virus. Results A total of 2830 influenza-like illness cases were monitored, including 1425 cases in 2014 and 1395 cases in 2015, accounting for 1.24% of outpatient visits. 1256 cases of throat swabs were collected, and 154 cases were positive for virus isolation The rate was 12.26% in 2014, 80 in 2015 and 74 in 2015, of which 123 were type A, 25 were type B and 6 were type C. The positive rate of influenza virus was mainly in the proportion of those under 10 years of age. In 2014 Was 70.00% in 2015, 69.92%; occupational distribution to the majority of diaspora and kindergarten students; influenza virus outbreak in January to March more. Conclusion The prevalence of influenza in urban areas is relatively stable in two years. Children are the susceptible population of influenza. To prevent and control children is the focus of prevention and control.