根据卫生部下发的《全国麻疹监测方案 (试行 )》分类指导的原则 ,海南省划归二类乙组 ,主要是控制麻疹暴发 ,保持较高的常规免疫接种率 ,分析人群免疫状况 ,开展病例调查等监测活动。我们于 1998年10月在全省 19个县、市抽查了 90 7名 12～ 2 4月龄儿童 ,采集末梢血 ,用酶联免 According to the guidelines of the “Guidelines for National Measles Surveillance (for Trial Implementation)” issued by the Ministry of Health, Hainan is classified into Category B and B mainly to control the outbreak of measles, maintain a relatively high routine immunization rate, analyze the population’s immune status and carry out cases Surveys and other monitoring activities. We in October 1998 in 19 counties and cities in the province spot checks 907 12 to 24 month-old children, collecting peripheral blood, with enzyme-linked immunostimulation