SARS-CoV-2(25) COVID-19(20) Mutation(17) Phylogenetic analysis(17) Genome(13) variant(12) Spike protein(12) SARS-CoV-2 genome(12) Patient(11) Lineage(11) virus(10) Evolution(10) Hepatitis B virus(10) Avian influenza virus(9) Analysis(9) change(9) analysis(9) the Spike(8) SARS-CoV-2 variant(8) country(8) circulating(8) Protein(8) collected(8) Avian Influenza(8) SARS-CoV-2 strain(8) outbreak(8) Complete(7) mutations(7) Deletion(7) Genotype(7)