患儿高×,女,7个月,主因咳嗽5天,喘息2天,诊为哮喘性支气管炎于1995年6月5日入院,病历号165025。经治疗呼吸道症状明显好转,而于第4日体温升高,大便次数增多,每日数次、十余次,呈黄绿色粘液稀便,镜检脓细胞++,红细胞3—5,连续三次培养分离出鼠伤寒沙门氏菌;其后培养又分离出福氏志贺氏痢疾杆菌,经联合用药抗感染及支持疗法,患儿痊愈出院,疗程14天。 前三次大便培养,在SS培养基上均长成无色半透明的中等大小菌落,在双糖铁琼脂培养基发酵葡萄糖,产酸产气,不分解乳糖,产生硫化氢,有动力,赖氨酸、鸟氨酸脱羧酶试验、甲基红试验、枸椽酸盐利用试验阳性,氧化酶、苯丙氨酸、尿素、葡萄糖酸盐及β-半乳糖苷酶试验阴性。噬菌体裂解试验阳性。血清学凝 Children with high ×, female, 7 months, mainly due to cough for 5 days, wheezing for 2 days, diagnosed with asthma bronchitis on June 5, 1995 admission, medical record number 165025. After the treatment of respiratory symptoms was significantly improved, and on the 4th day the body temperature increased stool frequency increased several times a day more than ten times, yellowish green mucus loose stools, mirror pus ++, red blood cells 3-5, three consecutive training Isolated from Salmonella typhimurium; then isolated and cultured Shigella flexneri dysentery bacilli, combined anti-infective and supportive therapy, the children were discharged after treatment for 14 days. The first three stool cultures grew into colorless, translucent, medium-sized colonies on SS medium, fermented glucose on a double sugar iron agar medium, produced acid and gas, did not break down lactose, produced hydrogen sulfide, Acid, ornithine decarboxylase test, methyl red test, citrate utilization test positive, oxidase, phenylalanine, urea, gluconate and beta-galactosidase test negative. Phage lysis test was positive. Serological coagulation