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. 2019 Apr 18;21:102. doi: 10.1186/s13075-019-1883-1

Fig. 3.

Fig. 3

Concentrations for serotype-specific anti-pneumococcal (a) and anti-tetanus (b) IgG antibodies. All concentrations were significantly higher compared to baseline (p ≤ 0.001). CI = confidence interval; PCV-13 = 13-serotype pneumococcal conjugate vaccine; TTV = tetanus toxoid vaccine