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鉴于Sabin口服脊髓灰质炎疫苗(OPV)在一些热带国家中免疫失败率高,故在印度南部一个热带地区的婴儿中,对Salk脊髓灰质炎灭活疫苗(1PV)的免疫效果作了研究。
In view of the high rate of immune failure in some tropical countries, the Sabin oral polio vaccine (OPV) has investigated the immunogenicity of the Salk polio inactivated vaccine (1 PV) in infants in a tropical area in southern India.