SARS-CoV-2 4 Severe acute respiratory syndrome coronavirus 2 4 nonhuman virus genome 4 COVID-19 3 Genome, Viral 3 Humans 3 human 3 Article 2 Diseases 2 Genes 2 Genome sequences 2 Mutation 2 Pandemics 2 Phylogeny 2 Viruses 2 article 2 cladistics 2 controlled study 2 genetics 2 genome 2 mutation 2 pandemic 2 phylogeny 2 prediction 2 Adaptive evolution 1 Adaptive methods 1 Amino Acid Sequence 1 Analyse 1 Analysis 1