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. 2022 Jul 7;13:3921. doi: 10.1038/s41467-022-30763-0

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© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 5 — A 18-week-old 129S1 mice were infected with 10⁴ PFU of MA-SARS-CoV-2, B.1.1.7, or B.1.351 (n = 10/group). B Whole lungs and nasal turbinates were harvested from n = 3/group at 3 DPI for virus titration by plaque assay. Bars represent means; error bars represent SEM. Dotted line indicates limit of detection (LOD) = 66.67 PFU/ml. Source data are provided as a Source Data file.