为了解延安市健康人群风疹抗体水平,探讨风疹的预防控制策略,本研究于2005年(风疹疫苗纳入免疫规划之前),对本地区健康人群风疹抗体水平进行检测,报告如下。1对象与方法1.1对象 In order to understand the level of rubella antibody in healthy people in Yan’an and to explore the preventive and control strategies of rubella, this study detected the level of rubella antibody in healthy population in 2005 (before inclusion of rubella vaccine in immunization program), the report is as follows. 1 objects and methods 1.1 object