1992年7月25日晚,某厂工地食堂发生了一起因食用被甲胺磷农药污染的青菜引起的食物中毒,报告如下:7月25日,某厂工地食堂晚6点150人就餐,进食后3小时,先后有19人出现肠道症状,恶心(15/19)、呕吐(13/19)、头晕(15/19)、腹痛(15/19)、多汗(12/19)、畏寒(12/19)等症状,无发热、腹泻,9人入院治疗,于7～8小时后出院,无死亡。调查证实全部患者均 On the evening of July 25, 1992, a food poisoning caused by the consumption of green vegetables contaminated with methamidophos occurred in the canteen of a factory site. The report was as follows: On July 25, a canteen at a factory site was dining and eating at 6: Three hours later, 19 patients developed intestinal symptoms, nausea (15/19), vomiting (13/19), dizziness (15/19), abdominal pain (15/19), hyperhidrosis (12/19) Cold (12/19) and other symptoms, no fever, diarrhea, 9 admitted to hospital, discharged after 7 to 8 hours, no death. Survey confirmed that all patients were