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. 2022 Aug 22;2(4):100104. doi: 10.1016/j.jcvp.2022.100104

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© 2022 The Authors. Published by Elsevier Ltd.

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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Fig 3 — Percentage of SARS CoV-2 genetic variants related to the incidence of cases per month in Havana province. Dashed lines represents all confirmed cases in Havana (incidence).

Pattern 1: D614G+T470K, Pattern 2: S477N+D614G, Pattern 3: D614G+T732A and Pattern 4: D614G+Q677H.