In Vitro Susceptibility of Canine Influenza A (H3N8) Virus to Nitazoxanide and Tizoxanide

Figure 1

Phylogenetic relationships at the nucleotide level among the hemagglutinin 3 (H3) genes of contemporary canine (including Ca/CO-1, Ca/CO-3, and Ca/CO-4 used in this study) and equine influenza viruses. Scale bar represents a difference at the nucleotide level of 5%.