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. 2023 Jun 12;12(1):2217940. doi: 10.1080/22221751.2023.2217940

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© 2023 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 License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted 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 2. — The distribution of optical densities (OD) of anti-SARS-CoV-2 (A) IgG and (B) IgA responses for 86 wild rats for 1:640 and 1:20 diluted heart and lung tissue fluid, respectively. The OD of the positive control tissue fluid is 3.55 for IgG and 0.825 for IgA.