为了解医院的疫情报告情况，我们对全市各级医院三年来传染病报告情况进行了抽样调查，现将结果报告如下。１　对象和方法按分层随机抽样方法确定区乡级医院和厂矿医院，市级与县级医院为必查单位，于每年１１月调查１月１日至１０月３１日受检单位住院的传染病病人登记册。２ In order to understand the hospital’s epidemic situation, we conducted a sample survey on the reporting of infectious diseases in hospitals in all levels of the city in the past three years. The results are reported as follows. 1 objects and methods to determine by stratified random sampling District township hospitals and factories and mines hospitals, municipal and county hospitals for the necessary units to be investigated in November each year from January 1 to October 31 inpatient hospital infection Sick patient register. 2