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. 2022 Sep 3;86(1):66–117. doi: 10.1016/j.jinf.2022.08.041

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Fig. 1 — Antibody kinetics and T-cells responses following vaccination. (A) shows the neutralizing antibody levels following vaccination. The cutoff level of positive neutralizing concentration is 50 IU/mL. (B) shows the IgG levels following vaccination. The cutoff level of positive antibody concentration is 5 S/CO. (C) shows the IgM levels following vaccination. The cutoff level of positive antibody concentration is 5 S/CO. Each point represents a serum sample. The error-bar indicates 95% confidence interval (CI) of geometrical mean concentrations(GMTs). (D) Distribution of IFN-γ and IL2 levels from activated T-cells upon recognition of S peptides. Samples were collected at the 30th day after a second vaccination. Data reported as the median and interquartile range (box), whiskers represent 1.5 times the interquartile range.