为了解三亚市农村儿童风疹抗体水平,以便为制订免疫策略提供科学依据,我们于1998年对三亚市农村常住儿童,按照分层多阶段随机抽样的方法,在30个自然村,采集近期无出疹性疾病史的0～4岁儿童末捎血,采用酶联免疫吸附试验(ＥＬＩＳＡ),检测风疹病毒特异性ＩｇＧ抗体,抗体滴度≥1:1 In order to understand the level of rubella antibody in children in rural areas of Sanya in order to provide a scientific basis for formulating immunization strategies, we collected the recent rash in 30 villages according to a stratified multistage random sampling method in 1998 in rural residents of Sanya City Sexually transmitted diseases, 0- to 4-year-old children take the blood at the end, the use of enzyme-linked immunosorbent assay (ELISA), detection of rubella virus-specific IgG antibodies, antibody titer ≥ 1: 1