医院感染不仅给患者带来二次痛苦 ,加重经济负担 ,同时也给医护人员在诊护等方面带来诸多困难。为探讨传染病专科医院感染的特点 ,制定有效的预防和控制措施 ,对 2 0 0 1年 31 7例传染病患者的医院感染情况进行了回顾性流行病学调查。1　材料与方法1 .1　材料来源　 2 0 0 1年 Hospital infection not only brings second pain to patients and aggravates the economic burden, but also brings many difficulties to health care workers in terms of diagnosis and treatment. In order to explore the characteristics of infectious diseases in specialty hospitals, effective prevention and control measures were formulated to conduct a retrospective epidemiological investigation of nosocomial infections in 317 cases of infectious diseases in 2001. 1 Materials and methods 1 .1 Source of material 2001