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. 2023 Dec 1;11(12):1798. doi: 10.3390/vaccines11121798

Figure 4.

Figure 4

Pseudovirus neutralization assay of pseudovirus with spike proteins of the original SARS-CoV-2 (WT) or Omicron variant (BA.4/BA.5) with serum samples from Visits 2 (baseline) and 4 (2 weeks after the booster dose). Blue and red symbols show individual titer values, while bars represent GMTs and error bars represent 95% confidence intervals. Dotted lines indicate the starting dilution (20; lower dotted line) and the final dilution (2560; upper dotted line) for the assay, and all values below 20 are tabulated as 10. Statistical significance was calculated using the Kruskal–Wallis test with a corrected Dunn’s multiple comparisons test.** = p < 0.01.