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. 2022 Dec 7;8(12):e12125. doi: 10.1016/j.heliyon.2022.e12125

Figure 1.

Figure 1

Dynamics of anti-spike IgG titers. The dynamics of the anti-spike IgG titer of each participant (black circles and gray lines) and geometric mean titer of anti-spike IgG (orange squares and lines) are shown. Compared to that at one month after the second vaccination, the geometric mean titer of anti-spike IgG before the third vaccination decreased by approximately one-tenth. One month after the third vaccination, the geometric mean titer of anti-spike IgG increased 30-fold before the third vaccination and 1.7-fold one month after the second vaccination.