EHEC O157:H7 strains were isolated from samples of diarrhea cases, and samples of domestic animal and domestic fowl as well as meat food, flies and Dung Beetles. The carrying rate of Boer goat was as high as 29.8%.

• 从腹泻病人、家畜家禽、肉食品、苍蝇、蜣螂中均分离出EHECO15 7:H7菌株 ；波尔山羊的带菌率最高达到 2 9.；8%25。