为方便患者，提高工作效率，我院在病区、门诊、行政楼配备了４８部公用电话。为了解院内公用电话细菌污染情况及采取预防措施，我们对其进行了细菌学调查，并应用０．２％过氧乙酸液进行表面擦试消毒。报告如下。１　材料与方法１．１　对每部公用电话话筒分别于消毒前、消毒? In order to facilitate patients and improve work efficiency, our hospital is equipped with 48 public telephones in ward, outpatient department and administration building. In order to understand the bacterial pollution of the public telephone in the hospital and to take precautionary measures, we carried out a bacteriological investigation and disinfected the surface with 0.2% peracetic acid solution. The report is as follows. 1 materials and methods 1.1 for each public telephone microphone before disinfection, disinfection?