Serum IgM antibodies contribute to high levels of opsonophagocytic activities in toddlers immunized with a single dose of the 9-valent pneumococcal conjugate vaccine

血清 IgM 抗体有助于在接种单剂 9 价肺炎球菌结合疫苗的幼儿中产生高水平的调理吞噬活性