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. 2021 Dec 23;28(4):614.e1–614.e4. doi: 10.1016/j.cmi.2021.12.012

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Fig. 1 — Neutralizing antibody responses against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). (A) Levels of neutralization antibodies in all participants, (B) antibody levels by gender, and (C) antibody levels by response pattern. (D) Correlation between the neutralizing antibody enzyme-linked immunosorbent assay (nAb ELISA) and plaque-reduction neutralization test (PRNT) results. ∗p < 0.05, statistically significant difference; ns, not significant.