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. Author manuscript; available in PMC: 2021 Mar 24.
Published in final edited form as: Blood Genom. 2020;4(2):96–107. doi: 10.46701/BG.2020022020120

Fig. 5. Phylogenetic network of SARS-CoV-2 subtypes.

Fig. 5

Adopted from Forster P. et al[39], using 160 SARS-CoV-2 genomes. The notch on the links represents a mutated nucleotide position, and the circle areas are proportional to the number of taxa. Using the bat virus as an outgroup resulted in the root of the network being placed in the “A” cluster of lineages. The network showed that ancestral viral genomes exist alongside their newly mutated daughter genomes. Cluster B is derived from A and most genomes in B cluster were sampled from Wuhan, from other parts of China, and from adjacent Asian countries. Cluster C derived from its parent Cluster B, but it contained no genomes from mainland Chinese samples.