摘要
目的探讨甲型H1N1流感（甲流）在浙江省的流行特征,为其防控提供依据。方法对中国疾病预防控制信息系统中2009年浙江省甲流个案信息、病原学监测数据和聚集性疫情进行描述流行病学分析。结果 2009年浙江省甲流报告发病率为25.18/10万,病死率为0.26%。病例主要集中在0~29岁,占85.76%;有91.23%的聚集性疫情发生在学校。疫情分别在9月和11月中下旬形成2次流行高峰,第2次流行高峰的强度约是第1次的4.09倍。结论甲型H1N1流感病毒相对较为温和,0~29岁中的儿童、青少年和学生群体是甲流防控重点人群。
Objective To explore the epidemiological characteristics of Novel Influenza A（H1N1） in Zhejiang Province to provide evidence for its control and prevention.Methods A descriptive epidemiological analysis was performed to study the H1N1 case report,the data of etiological surveillance and aggregation of epidemics in Zhejiang Province in year 2009.The data were collected from Information System of Disease Control and Prevention in China.Results The reported incidence rate and mortality rate of H1N1 in Zhejiang Province of year 2009 were 25.18 per 100,000 and 0.26%,respectively.Cases were mainly concentrated in the 0~29 year old group,which accounted for 85.76 percent of laboratory-confirmed and clinically diagnosed cases of H1N1.91.23% of the aggregation of the epidemics broke out in schools.Two epidemic peaks appeared at September and mid-late November.The intensity of the second epidemic peak was 4.09-folds than the first one.Conclusion Although H1N1 virus is relatively mild,disease control and prevention is still necessary.0~29 year old people,the youth and the students are the key population in H1N1 prevention work.
出处
《浙江预防医学》
2010年第9期1-3,10,共4页
Zhejiang Journal of Preventive Medicine
基金
浙江省科技厅重大项目(2009C03011-1)
关键词
甲型H1N1流感
流行特征
预防控制
Novel influenza A（H1N1）
Epidemiological characteristics
Disease control and prevention
