摘要
目的通过分析流行性感冒(流感)监测结果,显示流感的流行特征,为制定流感防控策略提供参考。方法对浙江省2008-2012年流感监测年度的流感样病例(ILI)监测资料、病原学监测结果及暴发疫情信息进行描述分析。结果 2008年4月至2012年3月浙江省流感监测哨点医院的平均ILI就诊百分比(ILI%)为4.00%,病例以15岁以下的少年儿童为主。各个监测年度的实验室检测阳性率高峰基本上与ILI%高峰相一致。暴发疫情多发生在学校和幼托机构。结论浙江省流感流行的季节性特征较为明显。在甲型流感大流行后,浙江省流感的流行特征发生了一定的改变。
Objective To understand the epidemiological characteristics of influenza in Zhejiang province and provide evidence for the prevention and control of influenza.Methods Descriptive epidemiological analysis was conducted on the surveillance data of influenza 1ike illness and influenza outbreak information in Zhejiang from 2008 to 2012.ResultsThe average proportion of ILI cases in total outpatients was 4.00% in sentinel hospitals during this period.The ILI cases were mainly children aged15 years.The annual peak of positive laboratory detection was consistent with that of ILI cases.The outbreak mainly occurred in schools and child care settings.Conclusion The seasonality of influenza was obvious in Zhejiang.The change on epidemiological characteristics of influenza had been observed since the epidemic of influenza A(H1N1) pdm 09 in 2009.
出处
《疾病监测》
CAS
2012年第9期689-693,共5页
Disease Surveillance
关键词
流感
监测
流行特征
influenza
surveillance
epidemiological characteristics