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. 2021 Aug 25;117:28–36. doi: 10.1016/j.jhin.2021.06.012

Figure 4.

Figure 4

Phylogenetic tree of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) sequences from Asan Medical Center. A phylogenetic tree was constructed via maximum likelihood estimation (1000 replicates) using MEGA X software. Bootstrap scores were represented at each node. Different branch colours represent different clades and subclades. The scale bar indicates nucleotide substitution per site. Red indicates 12 specimen sequences acquired from Asan Medical Center (whole-genome sequencing (WGS) group A: WA; WGS group B: WB; and WGS group C: WC).