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四价肺炎球菌（Ｐｎｃ）多糖（ＰＳ）－破伤风类毒素（ＴＴ）结合菌苗（ＰｎｃＴ）含一端共价偶联ＴＴ的６Ｂ、１４、１９Ｆ和２３Ｆ型ＰｎｃＰＳ的裂解片段。本文比较了婴幼儿对３种剂量的ＰｎｃＴ的抗ＰｎｃＰＳ抗体应答，评估了由ＰＳ菌苗加强免疫所诱导的免疫记忆及儿童３
The tetravalent pneumococcal (Pnc) polysaccharide (PS) - tetanus toxoid (TT) conjugate vaccine (PncT) contains a cleavage fragment of PncPS of type 6B, 14, 19F and 23F covalently coupled to TT at TT. This article compared infants to the three doses of PncT anti-PncPS antibody response evaluated by PS vaccine-boosted immune-induced immune memory and children 3