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. 2021 Sep 30;13(10):1974. doi: 10.3390/v13101974

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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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Global prevalence of adaptive and prolonged infections’ mutations in the receptor-binding domain (RBD) of the SARS-CoV-2 spike (S) protein from 30 May 2021 till 28 July 2021. (A) Bar graph showing the continent/country-wise distribution of SARS-CoV-2 sequences. For the percentage calculation, the total number of sequences (n = 460,645) was used. ^§ = Europe without Germany, Switzerland and the UK. ^‡ = North America without the USA. (B) Bar graph showing the percentages (%) of the respective adaptive mutations. (C) Bar graph showing the percentages (%) of the respective prolonged infections’ mutations.