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在我国多年来口服脊髓灰质炎活疫苗(OPV),都是分型先后服用,故仍有部分儿童不能及时获得免疫。1982年观察了三价疫苗同时服用的抗体应答情况,效果令人满意。胡希民等报告了同样的结果。1985年国家批准正式生产三价疫苗(TOPV),使用效果也是满意的,简化了免疫程序。从1984
Oral oral poliovirus (OPV) has been used for many years in our country. Therefore, some children still can not get the immunity in time. In 1982 the trivalent vaccine observed the simultaneous antibody response situation, the effect is satisfactory. Hu Ximin et al. Reported the same result. In 1985, the country approved the official production of trivalent vaccine (TOPV), the use of results is satisfactory, simplifying the immunization program. From 1984