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2004年3月12日某军区疾病预防与控制中心接到某部戊型肝炎疫情报告后,立即指派专业人员前往调查处理,现将流行病学分析结果报告如下。1对象和方法1.1对象为体系医院、卫生队、留观人员及门诊病人。1.2方法对该部队水源水质、饮食、人员流动等情况进行流行病学调查;对患者采集血
On March 12, 2004, a military district center for disease control and prevention immediately dispatched professionals to investigate after receiving a report of the hepatitis E epidemic situation. The epidemiological analysis results are reported as follows. 1 objects and methods 1.1 object for the system of hospitals, health teams, observers and outpatients. 1.2 Methods of the unit water quality, diet, staff mobility epidemiological survey; blood collection of patients