我部近十三年。共发生细菌性食物中毒347人(32起),平均每年65.2人(2.46起),年发病率为5.8‰,现分析如下: 一、流行特征及其原因 1.流行形式为暴发性。多发生在饮食卫生不良的舰艇、连队。按中毒引起数占食堂总数之比,舰艇为19.73％,陆勤连队为11.03％。 2.发生起数时高时低,每年起伏于 My department nearly thirteen years. Bacterial food poisoning occurred in 347 (32), an average of 65.2 (2.46 per year), the annual incidence of 5.8 ‰, are analyzed as follows: First, the characteristics of the epidemic and its causes 1 epidemic form of fulminant. Occurred in poor diet and health of ships, company. According to poisoning caused by the total number of canteens than the ratio of 19.73% warships, Landing Company was 11.03%. 2. Occurs when the number of high and low, fluctuating in each year