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. 2022 Jan 31;603(7901):493–496. doi: 10.1038/s41586-022-04465-y

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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. 3 — a, Ratio of Omicron to WA1/2020 CD8⁺ (top) and CD4⁺ (bottom) T cell responses in individual participants. b, c, Correlations of log Delta-specific and Omicron-specific to log WA1/2020-specific CD8⁺ T cell responses (b) and CD4⁺ T cell responses (c) by intracellular cytokine staining assays. Two-sided unadjusted P and R values for linear regression correlations are shown, and lines of best fit and slopes are depicted.