2009年六枝特区岩脚镇甲型肝炎暴发疫情调查

Investigation on the Outbreak of Hepatitis A in Yanjiao Town of Liuzhi Special Zone in 2009

[目的]探讨2009年I～6月发生在六枝特区岩脚镇甲肝暴发疫情发生的原因，总结经验教训，控制类似疫情再次发生。[方法]对疫区进行流行病学调查，采集病人血液、居民与学校饮用水进行检验。[结果]根据患者的临床表现、化验结果与流行病学特征，确定这是一起甲肝暴发疫情。通过对学校学生的生活习惯、环境卫生进行流行病学调查．部分患者近期有共同饮食或到摊点购买食品；学校和村民饮用水微生物指标符合生活饮用水卫生标准。[结论]这是一起可能为密切接触与食物传播引起的甲肝暴发。

[Objective]To explore the cause of the outbreak of hepatitis A in Yanjiao town of Luizhi Special Zone from January to June 2009. to sum up experiences and lessons in order to prevent the prevalence of the disease. [Methods]Epidemiological investigation was conducted in epidemic district, blood samples tested from the patients and drinking water samples were tested. [Results]Outbreak of hepatitis A was confirmed based on the clinical symptoms of the patients,laboratory examination result and epidemiological investigation. The students＇ living habits and environmental health were investigated with epidemiological method. Some of the patients had meal together or buy foods from street vendors. The microbial index of the drinking water in the town or the school can up to the standard of ＂ hygienic standard of drinking water＂. [Conclusion]The outbreak of hepatitis A may be caused by closing contact and food-borne disease.