致病大腸杆菌腸炎是新生儿期常見的一种腸胃道传染,且易造成流行。在該病流行期内,接触者的发病率可高达80％平均为25％。病者死亡率则因不同流行地区或不同时间而悬殊甚大,低者无死亡,高者可达50％。我院为了进一步了解新生儿对致病大腸杆菌的带菌情况及发病率,曾在天津市某中心医院产科嬰儿室作了280例新生儿肛拭培养, Pathogenic E. coli enteritis is a common form of gastrointestinal infection in the neonatal period, and can easily lead to epidemics. During the epidemic, the incidence of contacts can be as high as 80% on average 25%. The mortality rate of patients is greatly different due to different epidemic areas or different times. The lower one has no death, the highest one reaches 50%. Our hospital in order to further understand the neonatal pathogenic Escherichia coli carrier and the incidence of disease, had a central hospital in Tianjin obstetrics and gynecology baby room 280 cases of neonatal anal swab culture,