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. 2021 May 6;10(5):535. doi: 10.3390/antibiotics10050535

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© 2021 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/).

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Graphs depicting the world population coverage of the spike glycoprotein of SARS-CoV-2 variants isolated from (A) Wuhan, China, (B) England, (C) the USA, (D) India, and (E) South Africa to the MHC I and II alleles combined.