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? 腸侵襲型大腸埃希菌 enteroinvasive E. coli EIEC ? 腸致病型大腸埃希菌 enteropathogenic E. coli EPEC ? 腸出血型大腸埃希菌 enterohemorrhagic E. coli EHEC ? 腸集聚型大腸埃希菌 enteroaggregative E. coli EAggEC Department of Microbiology, Harbin Medical University 腸產(chǎn)毒素型大腸埃希菌( ETEC) ? 致病物質(zhì) ?腸毒素 ?菌毛粘附素 ?內(nèi)毒素 ?K抗原 ? 所致疾病 ?5歲以下嬰幼兒腹瀉 ?旅游者腹瀉 Department of Microbiology, Harbin Medical University Department of Microbiology, Harbin Medical University Department of Microbiology, Harbin Medical University Department of Microbiology, Harbin Medical University 腸侵襲型大腸埃希菌( EIEC) ? 致病物質(zhì) ?不產(chǎn)腸毒素 , 侵襲結(jié)腸粘膜上皮細(xì)胞 ? 所致疾病 ?主要侵犯較大兒童和成人 ?腹瀉呈膿血便 ,