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. 2023 Aug 17;11(8):2287. doi: 10.3390/biomedicines11082287

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

PMC Copyright notice

Diagram of various proteins of SARS-CoV-2 virus. Reprinted from News-Medical.net (accessed on 26 April 2023) Cuffari (2021): What are spike proteins? (with permission, license from Shuttercock). [27].