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. 2023 Apr 27;14:2422. doi: 10.1038/s41467-023-38201-5

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© The Author(s) 2023

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 The effective reproduction number (R_e) based on BA.2.2 sequences and the instantaneous effective reproduction number (R_t) based on the daily reported number of local cases, b the effective population size (N_e), and c relative detection rate in Hong Kong from January 2022 to April 2022. The shaded area denotes the 95% confidence interval.