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自1969年6月风疹疫苗许可应用以来,美国风疹免疫程序有所发展。其对象是:①全体1～12岁的儿童的常规免疫;②育龄妇女的选择性免疫。对免疫程序的估价研究有以下几方面:一、风疹和先天性风疹的发病率:风疹疫苗应用前,差不多每隔6～9年发生一次风疹流行。近12年风疹病例不断下降,纽约报告近三年中少于200例,但近年来高中及
The rubella immunization program has evolved in the United States since the permit application of the rubella vaccine in June 1969. Its objects are: ① routine immunization of children aged 1 to 12 years; ② women of childbearing age selective immunity. Evaluation of the immune procedure in the following areas: First, the incidence of rubella and congenital rubella: Rubella vaccine application, almost every 6 to 9 years once a rubella epidemic. Rubella cases have been declining in recent 12 years, and New York reported less than 200 cases in recent three years. However, in recent years, high school and