COVID-19 Letter to the Editor Volume 12, Issue 21 pp 20938—20945
Comparative analysis of SARS-CoV-2 and its receptor ACE2 with evolutionarily related coronaviruses
Figure 1. The evolutionary tree of SARS-CoV-2 genome sequences from all over the world. These SARS-CoV-2 strains could be grouped into 3 clades with regional aggregation.