vaccinen.疫苗
Vaccine-associated paralytic patients疫苗相关脊髓灰质炎病例
Vaccines and Vaccination Program Essentials疫苗及疫苗接种项目基础
Vaccine- associated paralytic poliomyelitis疫苗相关麻痹性脊髓灰质炎
Vaccines also induce cellmediated immunity.疫苗也引起细胞介导免疫。