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. 2022 Nov 28;6:48–57. doi: 10.1016/j.ijregi.2022.11.011

Figure 3.

Figure 3

Quantitative determination of IgG antibody levels and neutralizing antibodies against RBD in anti-SARS-CoV-2 seropositive individuals. (A) IgG levels (log(AU/ml)) in mothers aged 21–59 years and children aged 5–12 years. (B) Levels of neutralizing antibodies (log(IU/ml)) measured in mothers aged 21–59 years and children aged 5–12 years. The horizontal dashed line represents the assay positivity threshold. A p-value <0.05 was considered statistically significant; **p < 0.01 by Mann–Whitney U-test.