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我们于1989年10月23日从1例慢性腹泻病人粪便标本中分离到1株新血清型侵袭性大肠杆菌(简称EIEC),现报告如下:1 临床情况患者男性,41岁,工人,近半年来有间断性腹泻史,发作时每天1～3次不等,有轻微里急后重和腹痛症状,大便镜检有少量脓细胞和红细胞,当地医院从未作过大便细菌培养,诊断为慢性菌痢、慢性肠炎,发作时,经用抗菌素治疗,症状可稍有缓解。2 菌株鉴定2.1一般性状和生化反应在SS琼脂平板上似志贺氏菌菌落,涂片染色为G(-)杆菌。生化反应阳性的有:葡萄糖(产气占小倒管的
We isolated a new serotype of invasive Escherichia coli (EIEC) from one stool specimen from a chronic diarrhea patient on October 23, 1989 and are reported as follows: 1 Clinical situation Male, 41 years old, worker, nearly half a year To have a history of intermittent diarrhea, episodes of 1 to 3 times a day ranging from mild tenesmus and abdominal pain symptoms, stool a small amount of pus and red blood cells, local hospitals have never had stool bacterial culture, the diagnosis of chronic bacillary dysentery, Chronic enteritis, attack, by antibiotic treatment, the symptoms can be slightly alleviated. Identification of strains 2.1 General traits and biochemical reactions Shigella colonies on SS agar plates were stained with G (-) bacilli. Biochemical reactions are: glucose (gas production accounted for small inverted tube