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某舰1979年10月28日晨,突然连续发生胃肠炎患者86例,占该舰人员的44.1％,29日晚发病停止,在40h内共发病86例,重症者22例住院治疗,七天内复发3例,疫情迁延至22.9天才全部控制。 (一)病原鉴定发生疫情后,对全部病例均作了肥达式反应检查:付伤寒乙组1/40以上阳性71例(82.56％),1/80以上阳性有42例(48.83％),症状较重,血清学检查阳性有42例均作了大便培养,经广州防疫站培养复查、血清鉴定是鼠伤寒沙门氏菌,该菌同属于沙门氏菌B组,故付伤寒乙反应也阳性。所以此次发病病原是鼠伤寒沙门氏菌所引起食物中毒。
A ship on the morning of October 28, 1979 1979, a total of 86 cases of consecutive gastroenteritis patients, accounting for 44.1% of the ship’s personnel, the onset of the disease on the 29th stop in 40h, a total of 86 cases, 22 cases of severe hospitalization, seven days Within 3 cases of recurrence, the epidemic extended to 22.9 genius all control. (1) After the outbreak of pathogen was identified, all the patients were tested for the fat-type reaction in all cases: 71 (82.56%) were positive for 1/40 or more in group B, 42 (48.83%) were positive for more than 1/80, Symptoms were severe, serological positive were 42 cases were stool culture, the Guangzhou Epidemic Prevention Station culture review, the serum is identified as Salmonella typhimurium, the bacteria belong to Salmonella B group, it is also effective against the typhoid B reaction. So the pathogenesis of this disease is caused by Salmonella typhimurium food poisoning.