Aging promotes B-1b cell responses to native, but not protein-conjugated, pneumococcal polysaccharides: implications for vaccine protection in older adults

衰老促进 B-1b 细胞对天然肺炎球菌多糖（而非蛋白质结合肺炎球菌多糖）的反应：对老年人疫苗保护的影响