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A condensed phylogenetic tree showing the relationships between Chilean IPNV isolates and reference strains of 9 IPNV serotypes plus the Aquabirnavirus YTAV, based on nucleotide sequences of VP2. The tree was constructed through the maximum likelihood method using 1000 bootstrap replications. Black circles correspond to the Chilean IPNV isolates, and white squares correspond to the reference strains included in the analysis
