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2004年10月,道县永州市工贸中专分校发生一起甲型肝炎的暴发流行,累计发病112例,罹患率5·01%,接到疫情报告后,市、县两级疾病预防控制机构立即赶赴现场进行调查、核实,经采取有效防控措施后,疫情得到有效控制。现将调查结果报告如下。1材料与方法1·1调查对象由流行病学医生对
In October 2004, a case of hepatitis A outbreak occurred in Yongzhou City Polytechnic School of County and County, 112 cases were reported with a prevalence rate of 5.11%. After receiving the report of the outbreak, the municipalities and county level disease prevention and control institutions Rushed to the scene immediately to investigate and verify that after effective prevention and control measures were taken, the outbreak was effectively controlled. The survey results are reported below. 1 Materials and Methods 1.1 The survey respondents by the epidemiology