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. 2023 Dec 6;13(1):2292071. doi: 10.1080/22221751.2023.2292071

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© 2024 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group, on behalf of Shanghai Shangyixun Cultural Communication Co., Ltd

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. The terms on which this article has been published allow the posting of the Accepted Manuscript in a repository by the author(s) or with their consent.

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Figure 1. — Comparison of severity and number of symptoms of the first infection and reinfection. a. Comparison of severity of the first infection and reinfection in all patients. b. Comparison of the number of symptoms of the first infection and reinfection in all patients. c. Comparison of severity of the first infection and reinfection in patients aged less than 60 years. d. Comparison of the number of symptoms of the first infection and reinfection in patients aged less than 60 years. e. Comparison of severity of the first infection and reinfection in patients aged equal to or over 60 years. f. Comparison of the number of symptoms of the first infection and reinfection in patients aged equal to or over 60 years. g. Risk of clinical manifestations in people with SARS-CoV-2 first infection versus reinfection.