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. 2021 May 7;3(19):409–410. doi: 10.46234/ccdcw2021.109

Figure 1.

Figure 1

Neighbor-joining phylogenetic tree based on the whole genome sequences of COVID-19 representative strains. The 3 Chongqing strains are indicated by red dots; the representative strains from B.1.617 lineage are highlighted with a yellow background; strains associated with specific outbreaks in China are indicated by blue squares; and the Wuhan reference strain is shaded in gray. The PANGOLIN lineages were marked and colored on the right. The tree was rooted using strain WH04 (EPI_ISL_406801) in accord with the root of PANGOLIN tree.