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目的查找江西中医学院暴发甲型肝炎(以下简称甲肝)疫情的原因。方法采用1∶2配比病例对照研究方法对可疑的危险因素进行分析,应用Epi Data软件录入数据和校验,采用SPSS 11.5软件进行统计分析。结果多因素logistic回归分析结果显示:籍贯不同、在银河美食城就餐、食用凉皮、凉面、喝开水、饭前洗手差异具有统计学意义(P<0.05)。其中在银河就餐、食用凉皮、凉面OR值>1,是发病的可能危险因素;喝开水、饭前洗手OR值<1,为保护因素。结论造成此起甲肝流行的原因是由食堂从业人员引起的食源性暴发,银河美食城内陕西风味小吃店的厨师是甲肝隐性感染者,他生产制作的被污染食品是造成本次甲肝暴发的主要原因。
Objective To find the causes of outbreak of hepatitis A (hereinafter referred to as hepatitis A) in Jiangxi College of Traditional Chinese Medicine. Methods The 1: 2 matched case-control study was used to analyze the suspicious risk factors. Epi Data software was used for data entry and validation. SPSS 11.5 software was used for statistical analysis. Results The results of multivariate logistic regression analysis showed that there were significant differences (P <0.05) in the differences in domicile, dining in Galaxy Food City, consumption of Liangpi, noodles, drinking water and washing hands before meals. Which eat in the Milky Way, eating Liangpi, cold noodles OR value> 1, is the possible risk factors for onset; drink boiling water, OR = 1 before washing, as a protective factor. Conclusion The cause of this epidemic of hepatitis A is caused by food-borne outbreaks caused by practitioners in the canteen. The chef of Shaanxi-style snack bar in Galaxy Food City is an HIV-infected patient. The contaminated food produced by him is the cause of the hepatitis A outbreak main reason.