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1987年8月15日嫩江县塔溪乡德永村农民阎某父子,在当地农民李某的帮助下,将自养的175公斤重肥猪屠宰,宰前宰后均未发现猪及鲜肉和内脏异常改变,当日除将部分内脏自留外,其余240余斤肉全部卖掉。从15日开始,先后有315人进食。15日晚9时出现首发病例,所有食用者共287人均有程度不同的中毒症状,潜伏期10～48小时,以进食后24小时为发病高峰,占总发病人数的55.05％。中毒症状以全身酸痛、恶心、头晕、头痛、腹痛等症状为主,腰、颈、四肢剧痛,不能站立和行走。实验室检查肝功能(GPT)
On August 15, 1987, Yanmou and his son, Farmers in Deyong Village, Taru Township, Nenjiang County, slaughtered the 175 kg heavy fat pigs that were self-raised with the help of local peasants Lee and found no pigs and fresh meat Anomalous visceral changes, except on the day will be part of the internal organs, the remaining 240 pounds of meat sold. Starting from the 15th, 315 people have successively consumed food. At 15 o’clock on the evening of January 15, the first case occurred. All the 287 eaters had varying degrees of poisoning symptoms. The incubation period was 10-48 hours. The peak incidence was 24 hours after eating, accounting for 55.05% of the total. Symptoms of generalized body ache, nausea, dizziness, headache, abdominal pain and other symptoms, waist, neck, limb pain, can not stand and walk. Laboratory tests for liver function (GPT)