Produced in rabbits immunized with purified, recombinant Varicella-zoster virus (VZV) (strain Oka vaccine) gH & gL Heterodimer (Catalog#CT125-VNAS; Q775J3 & Q9J3N1). Varicella-zoster virus (VZV) (strain Oka vaccine) gH & gL Heterodimer specific IgG was purified by Varicella-zoster virus (VZV) (strain Oka vaccine) gH & gL Heterodimer affinity chromatography.