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Genome sequence-based phylogenetic trees showing the evolution of SARS-CoV-2 Marseille-4 variant strains. (a) Time-scale phylogenetic tree. (b) Phylogenetic tree based on mutational events.
Full-length genome sequences obtained in this study were compared to those available in the GISAID database (https://www.gisaid.org/). Phylogenetic trees were reconstructed and visualized using the Nextstrain pipeline (https://github.com/nextstrain/ncov/) (Hadfield et al., 2018).
