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. 2022 Jul 11;18(6):2091865. doi: 10.1080/21645515.2022.2091865

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© 2022 The Author(s). Published with license by Taylor & Francis Group, LLC.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited, and is not altered, transformed, or built upon in any way.

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Figure 3. — Neutralizing antibody titers against SARS-CoV-2 variants at two weeks after second dose. (a) Plaque reduction neutralization titers (Prnt₅₀) against Delta (blue) and Beta (red) variants. The dot line referred to the geometric mean tires at 2 weeks after the second dose of homologous CoronaVac or ChAdox1 reported by our group using the same laboratory methods and facility with this study.⁴ (b) Pseudovirus-based neutralizing antibody titers (Pvnt₅₀) against Delta (blue) and Omicron variants (red). Numbers on the x-axis represent geometric mean titer (GMT) and error bars represent 95% confidence interval (CI). Unpaired t-test was used to compare PRNT₅₀ between each group at two weeks after second dose.