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. 2020 Sep 2;2(4):202–205. doi: 10.1016/j.bsheal.2020.08.006

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© 2020 Chinese Medical Association Publishing House. Published by Elsevier B.V.

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. 1 — Maximum likelihood phylogenetic tree based on the full-length genome sequences of the SARS-CoV-2. The tree was constructed using MEGA (v7.0) software with 1,000 bootstrap replicates. The genomes of the SARS-CoV-2 from Beijing's Xinfadi market are highlighted in shades of yellow. The genomes of the SARS-CoV-2 from Beijing (Feb-2020) and Wuhan (Dec-2019) are highlighted in shades of grey and pink, respectively. The recent reemergence of SARS-CoV-2 in Northeastern China (Shulan and Heilongjiang) that was associated with imported cases are highlighted in shades of blue and green, respectively. S- or L-lineage of the SARS-CoV-2 are marked and colored on the right. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)