Figure 1. Structure of the varicella-zoster virus genome and position of selected genes. The genome is arranged in unique long (U _L ), unique short (U _S ), terminal repeat long (TR _L ), terminal repeat short (TR _S ), and internal repeat (IR) regions. Selected immediate-early (IE), early (E), late (L), and latency-associated genes are shown. ssDNA = single-stranded DNA.

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