Herpes Zoster Infection of Orofacial Region in a Geriatric Patient: A Case Report.

The varicella-zoster virus reactivates to cause the "herpes zoster" (HZ). ''Varicella-zoster virus'' (VZV) termed as ''HHV-3'' or ''human herpesvirus-3'' infection causes herpes zoster. Varicella, the primary form of the virus, is chickenpox, and the secondary form of the virus is herpes zoster also called shingles.