一起学校甲肝暴发的流行病学调查  

Epidemiological Survey on an Outbreak of Hepatitis A in a School

作　　者：马艳霞[1] 邓建[1] 郭娜娜[1] 黄亮[1] 郭瑞玲[1] 黄春广 

机构地区：[1]河北省邯郸市疾病预防控制中心,河北邯郸056008 [2]峰峰矿区疾病预防控制中心

出　　处：《实用预防医学》2010年第10期1984-1985,共2页Practical Preventive Medicine

摘　　要：目的了解甲肝暴发的流行病学相关情况。方法做病例对照研究,根据病例定义设计流行病学调查表,将调查结果用EPIDATA软件建立数据库,并用SPSS13.0进行分析,率间比较采用χ2检验。结果此次事件推断为点源暴露;使用1号井的RR值为2.94;停用井水后,经过一个最长潜伏期无病例发生。结论此次疫情发生是由于1号水井污染导致甲肝疫情的出现。Objective To investigate the epidemiological correlated factors of hepatitis A（HA） outbreak.Methods Based on case definition,the epidemiological questionnaire was designed to conduct the case-controlled study.According to the investigation results,the database was established by EPIDATA software.The data were analyzed by SPSS13.0 software,and the probabilities were compared using chi-square test.Results This event was assumed as a point source exposure based on the singlet epidemic curve.The RR value of NO.1 well was 2.94.After stopping drinking the well water,no case was occurred since the longest latent period.Conclusions The event was caused by atmosphere pollution of the NO.1 well.

关 键 词：学校 甲肝 疫情暴发 流行病学研究 

分 类 号：R181.81[医药卫生—流行病学]