The invention relates to activated Streptococcus pneumoniae serotype 10A, 22F or 33F polysaccharides and processes for their preparation. The invention also relates to immunogenic conjugates comprising Streptococcus pneumoniae serotype 10A, 22F or 33F polysaccharides covalently linked to a carrier protein, processes for their preparation and immunogenic compositions and vaccines comprising them.
本发明涉及活化的肺炎链球菌血清型 10A、22F 或 33F
多糖及其制备工艺。本发明还涉及由与载体蛋白共价连接的肺炎链球菌血清型 10A、22F 或 33F
多糖组成的免疫原性共轭物、其制备工艺以及包含它们的免疫原性组合物和疫苗。