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象山县2009年9月8日确诊首例甲型H1N1流行性感冒(流感)(甲流),截至2010年1月19日,累计报告确诊甲流182例,其中重症4例,危重2例,死亡2例。2009年12月以来,为了预防控制甲流疫情,全县逐步在中、小学开展了甲流疫苗应急接种,现将结果报告如下。1材料与方法 1.1研究对象和血标本采集在象山县中、小学中,按照分层整群抽样的方法,全县学生分为高中生、初中生和小学生三层,每层随机抽取8个班,抽到班级接种甲流疫苗的学生
Xiangshan County, September 8, 2009 confirmed the first case of influenza A (H1N1 influenza) (A), as of January 19, 2010, a total of 182 confirmed cases of a confirmed flow, of which 4 cases of severe, critical 2 cases, 2 died. Since December 2009, in order to prevent and control a pandemic influenza outbreak, the county gradually carried out an emergency vaccination in primary and secondary schools, the results are reported as follows. 1 Materials and Methods 1.1 The subjects and blood samples collected in Xiangshan County, primary and secondary schools, in accordance with stratified cluster sampling method, the county is divided into high school students, junior high school students and pupils in three layers, each randomly selected 8 classes , A class of students vaccinated with a flu vaccine