一起学校病毒性甲型肝炎暴发疫情的流行病学分析  

Epidemiology of a hepatitis A outbreak in school

作　　者：孔志芳[1] 

机构地区：[1]浙江省宁海县疾病预防控制中心,浙江宁海315600

出　　处：《疾病监测》2009年第4期301-302,共2页Disease Surveillance

摘　　要：目的探讨浙江省宁海县某学校病毒性甲型肝炎暴发疫情的流行特征及流行因素。方法采用现场调查、流行病学个案调查及病例对照研究方法。结果共发病32例,罹患率6.93%;隐性感染59例,感染率12.77%(59/462);病例对照研究结果表明,饮小学教师食堂旁井水是引起此次甲型肝炎暴发的主要危险因素。结论井水受污染是本次甲型肝炎暴发的主要因素,应加强学校的饮用水管理,防止此类事件的发生。Objective To analyze the epidemiological features and risk factors of the hepatitis A outbreak in a school in NInghai County.MethodsField survey,individual survey and case control study were conducted.ResultsThirty two cases occurred with the attack rate of 6.93%,and 59 cases of latent infection were detected with the infection rate of 12.77%.Case control study indicated that drinking the water from the well beside teacher＇s canteen was main risk factor to cause this outbreak.ConclusionSince the contaminating of well water was main risk factor to cause the hepatitis A outbreak,it is necessary to strengthen the management of drinking water to prevent such outbreak.

关 键 词：甲型肝炎 暴发疫情 流行病学 学校 

分 类 号：R725.1[医药卫生—儿科]