Fig. 2

Phylogenetic relationships of the obtained Moroccan isolates and selected reference strains based on partial S1 nucleotide sequences determined using MEGA 5.0 with the Clustal W method. Numbers along the branches refer to bootstrap values
Phylogenetic relationships of the obtained Moroccan isolates and selected reference strains based on partial S1 nucleotide sequences determined using MEGA 5.0 with the Clustal W method. Numbers along the branches refer to bootstrap values