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[目的]探讨2009年1~6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 investigate the causes of hepatitis A outbreak in Rockfoot Town of Liuzhi Special Zone from January to June in 2009, summarize the experience and lessons, and control the recurrence of similar epidemic. [Method] Epidemiological survey was carried out on the epidemic area, and blood, residents and school drinking water were collected for testing. [Results] According to the patient’s clinical manifestations, laboratory results and epidemiological characteristics, to determine this is an outbreak of hepatitis A. Through the epidemiological survey on the living habits and environmental hygiene of school students, some patients recently bought food together or went to stalls. The drinking water microbes of schools and villagers met the drinking water hygiene standards. [Conclusions] This is an outbreak of hepatitis A that may be caused by close contact and food transmission.