为了解我区 1998年法定传染病实际发病情况 ,评价各级医疗单位的传染病报告质量 ,我们对辖区内的县、乡、村各级进行了传染病报告情况调查。现将结果报告并分析如下。1　调查对象和方法1.1　居民区漏报调查　各县、市采取整群随机抽样的方法 ,按东、西、南、北、中五个方位抽取 In order to understand the actual incidence of notifiable infectious diseases in our district in 1998 and evaluate the quality of infectious disease reporting by medical units at all levels, we conducted a survey on the reporting of infectious diseases at the county, township and village levels in our area. The results are now reported and analyzed as follows. 1 Subjects and methods of investigation 1.1 Lack of reporting survey in residential areas Counties, cities to take a cluster random sampling method, according to the East, West, South, North, Central, five positions extracted