Objective To compare the antibody responses induced with Streptococcus pneumoniae capsular polysaccharide-tetanus toxoid(TT) conjugates by two immune routes in mice.

• 目的比较肺炎链球菌荚膜多糖-破伤风类毒素结合疫苗两种免疫途径对小鼠的抗体应答。