Nosocomial infection (NI) or health care associated infection is defined as an infection developing in hospitalized patients after 48 hrs, neither present nor in incubation at the time of their admission. The objectives of this study were to determine the frequency and pattern of nosocomial infection in patients admitted in ICU of tertiary cancer hospital and to detect the etiological agent with their antimicrobial resistance by molecular methods and also potential source of infection. | Study of nosocomial infections and molecular diagnosis of bacterial resistance in patients admitted in intensive care units of regional cancer center