Fig. 2From: Phylogenetic analysis of avian infectious bronchitis virus S1 glycoprotein regions reveals emergence of a new genotype in Moroccan broiler chicken flocksPhylogenetic 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 valuesBack to article page