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(A) Global phylogenetic analysis of SARS-CoV-2. The time-scaled tree was generated by the Nextstrain open source project showing genetic divergence of 4311 SARS-CoV-2 genomes submitted between December 2019 and August 2020 (accessed 11 August 2020). (B) Global distribution of the different SARS-CoV-2 clades defined by GISAID (i.e., GR, G, GH, O, S, L, and V).
