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1999年4月15日,海阳市某机械厂,发生28人食物中毒.根据流行病学调查,证实为芸豆所致.1 中毒情况1999年4月15日11:30,海阳市某机械厂食堂午餐供应职工炒芸豆,进食芸豆职工48名,每人500g左右.12:30开始有病人出现,15:00有病人就诊于厂医务室,至20:00发病28人,其中男17人,女11人,年龄20～45岁.潜伏期最短1h,最长8h,平均4h.28例中毒者均头晕、头疼、腹疼;18例恶心,14例呕吐,10例腹泻,水样便1～3次不等,4例发热,体温均在38.5℃以下.全部病人经对症治疗后12～24h内痊愈.2 流行病学调查病人均食用过炒芸豆.检查食堂48h供应的饭菜无其他可疑中毒食物.在加工过程中,厨师见芸豆比较鲜嫩,便待猪肉炒熟后再将烫过的芸豆放入炒3～5min出锅.采集生芸豆、炒芸豆、呕吐物、大便各2份进行检验.所采样本均未检出肠道致病菌和致病性球菌,有机磷农药定性试验(一).
April 15, 1999, Haiyang City, a machinery plant, food poisoning occurred in 28. According to epidemiological investigations, confirmed due to kidney beans.1 poisoning at 11:30 on April 15, 1999, a machine in Haiyang City Factory canteens luncheon supply employees fried kidney beans, eating kidney beans 48 workers, each about 500g .12: 30 began to appear the patient, 15: 00 patients visited the factory clinic, to 28:00 onset at 20:00, of which 17 were male , 11 females, aged 20 to 45. The longest incubation period of 1h, the longest 8h, an average of 4h.28 poisoning were dizziness, headache, abdominal pain; 18 cases of nausea, 14 cases of vomiting, 10 cases of diarrhea, watery stools were 1 ~ 3 times, 4 cases of fever, body temperature were below 38.5 ° C. All patients recovered within 12 ~ 24h after symptomatic treatment.2 epidemiological survey of patients were eating fried kidney beans.Check 48h canteen food supply other suspicious Poisoning food.In the process of processing, the chef see relatively tender kidney beans, then treat the pork fry and then the scorched kidney beans into the fry 3 ~ 5min pan. Collect raw kidney beans, fried kidney beans, vomit, stool 2 copies of each Test samples were not detected intestinal pathogens and pathogenic cocci, qualitative test of organophosphate pesticides (a).