医院感染又称院内感染或医院获得性感染,包括住院期间发生的感染和在医院内获得出院后发生感染,已成为威胁患者安全的一大问题。世界卫生组织(WHO)将其定义为:凡住院患者、陪护人员或医院工作人员因医护、护理工作而被感染所引起的任何临床显示症状的微生物性疾病,不管受害对象在医院期间是否出现症状,均为医院感染[1]。而我 Nosocomial infections, also known as nosocomial infections or hospital-acquired infections, include infections that occur during hospitalization and infections that occur after they have been discharged from the hospital, which has become a major threat to patient safety. The World Health Organization (WHO) defines it as any clinical manifestation of microbial disease caused by inpatient, escort, or hospital staff who is infected with health care or nursing work, regardless of whether the victim presents with symptoms during the hospital stay , Are hospital infection [1]. but me