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. 2023 Nov 16;230(1):e4–e16. doi: 10.1093/infdis/jiad508

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© The Author(s) 2023. Published by Oxford University Press on behalf of Infectious Diseases Society of America.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 1. — Immunogenicity against ancestral and BA.1 variant strains of SARS-CoV-2 after booster vaccination with NVX-CoV2515, NVX-CoV2373, or bivalent NVX-CoV2373 + NVX-CoV2515: Per-protocol 1 analysis set. A–C, Microneutralization titers, anti-spike IgG concentrations, and pseudovirus neutralization titers for the ancestral and BA.1 variant. EU, enzyme-linked immunosorbent assay unit; GMT, geometric mean titer; ID₅₀, inhibitory dilution with a 50% concentration; IgG, immunoglobulin G; MN₅₀, microneutralization with an inhibitory concentration of 50%; rS, recombinant spike.