OBJECTIVE To explore the drug resistance,distribution,and molecular epidemiological characteristics of Acinetobacter baumannii strains in tertiary general hospitals so as to provide guidance for long-term surveillance and prevention of outbreak and prevalence.METHODS A total of 683 strains of A.baumannii were isolated from 3tertiary general hospitals from Jan 2014 to Dec 2014,then the drug resistance rates were detected by using disk diffusion method,and the statistical analysis was performed with the use o...