Throughout 2 years (January 1999 till December 2000) we have surveyed 3190 organisms collected from Outpatient Departments (1145, 35.8%), Radio-Oncology Department (992, 31.1%), Medical Department (765, 23.9%), OBG Department (217, 6.8%), Surgical-Oncology Non ICU Department (207, 6.5%), ICU Department (175, 5.5%).