Figure 1
phylogenetic relationship of the HA nucleotide sequences of V3 and RSF/1 to Egyptian H9N2 strains and G1-like ancestor strains (based on the full HA nucleotide sequences)
phylogenetic relationship of the HA nucleotide sequences of V3 and RSF/1 to Egyptian H9N2 strains and G1-like ancestor strains (based on the full HA nucleotide sequences)