１９８９年１０～１１月，我院婴儿室发生一起新生儿鼠伤寒暴发，历时近两个月，５８名婴儿２２人发病，发病率３８％，经大便和血培养证实为鼠伤寒沙门氏菌感染。大便培养阳性２２例，阳性率１００％，血培养阳性１３例，阳性率５９．１％，药敏实验３５个菌株对氟哌酸、丁胺卡那霉素、头孢噻肟钠敏感。由于确诊和治疗及时，２２名患儿均痊愈出院 From October to November 1989, a neonatal typhus outbreak occurred in the nursery of our hospital. It lasted nearly two months and 22 infants of 58 infants had a morbidity of 38%. Salmonella typhimurium infection was confirmed by stool and blood culture. Stool culture positive in 22 cases, the positive rate of 100%, blood culture positive in 13 cases, the positive rate of 59.1%, 35 drug sensitivity test of norfloxacin, amikacin, cefotaxime sodium sensitivity. As the diagnosis and treatment were prompt, 22 children were cured and discharged