This document provides information about chickenpox and shingles. It discusses the origin of the term "chickenpox", the virus properties, epidemiology and pathogenesis of varicella zoster virus. It describes the clinical features and treatment of chickenpox and shingles. Complications like secondary bacterial infections and post-herpetic neuralgia are also summarized. The diagnosis and management of both chickenpox and shingles infections are outlined in less than 3 sentences.