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. 2021 Nov 8;13(11):2238. doi: 10.3390/v13112238

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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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Cluster plots generated using Principal Component Analysis (PCA) of SARS-CoV-2: complete genome data (a); spike gene (b) and RdRp gene (c) for VoCs and VoIs designated as 1 (Alpha), 2 (Beta), 3 (Delta), 4 (Kappa), 5 (Eta), and 6 (Others).

Cluster plots generated using Principal Component Analysis (PCA) of SARS-CoV-2: complete genome data (a); spike gene (b) and RdRp gene (c) for VoCs and VoIs designated as 1 (Alpha), 2 (Beta), 3 (Delta), 4 (Kappa), 5 (Eta), and 6 (Others).