Herpes zoster

Herpes zoster:
Shingles. Due to reactivation of varicella-zoster virus (VZV) (chickenpox). Peak age 50-70 years; VZV persists in sensory ganglia of spinal chord- when reactivated follows nerves to skin  pain or dyaesthesia’s and eruption of vescicles and pustules in erythematus base.

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