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 3. The evolutionary tree of common coronaviruses that infect other organisms and their phylogenetic comparisons with SARS-CoV-2. These common coronavirus strains could be grouped into 3 clades, with 6 of the coronavirus strains being particularly close to the SARS-CoV-2 in evolution.