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Figure 3: Phylogenetic tree of 44 VZV strains from patients with VZV infections and the reference strains as Dumas, KEL, SD, BC, MSP, pOka, vOka, VZV8, DR, VZV11, HJO, and CA123 based on DNA sequences in ORFs 1, 31, 37, 60, 62, 67, and 68.