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O157:H7是肠出血性大肠艾希氏菌 (EHEC)的一个常见血清型。自 1982年美国首次发生由O157:H7大肠杆菌引起的食物中毒爆发以来 ,欧美各国、日本相继有该菌所致疫情爆发的报道。我国也从猪、鸡、鸭、羊、鸽、猪肉及钻板、市售鸡肉、蔬菜、熟肉中检出O157:H7[2～ 4] ;2 0 0 0年河南
O157: H7 is a common serotype of enterohemorrhagic Escherichia coli (EHEC). Since the outbreak of food poisoning caused by the O157: H7 Escherichia coli in the United States for the first time in 1982, there have been reports of the outbreak of the outbreak caused by the bacteria in Europe and the United States. Our country also detected O157: H7 [2-4] from pigs, chickens, ducks, sheep, pigeons, pork and drilling board, commercially available chicken, vegetables and cooked meat; Henan