Varicella zoster virus (VZV) is a pathogenic human herpes virus that is found worldwide. Primary infection causes chickenpox. Following primary infection, VZV establishes latency in sensory neurons of the peripheral dorsal root, cranial nerve, autonomic and enteric ganglia. Thereafter, reactivation, as a result...

Varicella or chickenpox is caused by the herpes zoster virus (HZV). It is transmitted through droplet infection or direct contact with vesicle fluid and is very contagious. HZV is a neurotrophic virus, ie. it has the ability to invade and reside within neural tissue. Primary infection with HZV results in the...