为了提高疫情报告质量 ,促进和健全疫情管理制度 ,发现疫情报告的薄弱环节 ,1998年 11月对嵊州市居民传染病漏报情况进行了调查 ,现报告如下。资料与方法1.资料 :人口资料来自市统计局公布的人口数据。2 .方法 :按分层随机整群抽样原则 ,将本地区域分为东、南、西、北、中 5片 In order to improve the quality of the epidemic report, to promote and perfect the epidemic management system and to find out the weaknesses of the epidemic report, a survey was conducted on the omission of the infectious diseases of residents in Shengzhou City in November 1998, and the report is as follows. Data and methods 1. Data: Population information from the Municipal Bureau of Statistics released population data. Methods: According to the stratified random cluster sampling principle, the local area is divided into 5 parts of East, South, West, North and Middle