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. 2020 Jul 25;99:40–46. doi: 10.1016/j.ijid.2020.07.024

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© 2020 The Author(s)

Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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Combinations of amino acid mutations acquired by SARS-CoV-2 variants isolated in Russia (N = 218).

The mutations analyzed could be found in more than one sequence. The mutated protein is shown in parentheses. The most common combinations, Pro4715Leu (nsp12), Asp614Gly (S) and Pro4715Leu (nsp12), Asp614Gly (S), Arg203Lys, Gly204Arg (N) are shortened as [2] and [3], respectively.