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Phylogenetic trees based on the complete F gene using the neighbor-joining method with MEGA (version 11.0). Values ≥ 70 are indicated on the branches (as percentages). (A) Phylogenetic analysis of 95 NDV strains (green squares) and seven reference strains (red circles) available in GenBank. (B) Phylogenetic tree showing the sub-classification of genotype VII NDV strains (green squares) and a reference strain (red circle).
