This book provides detailed information regarding the diagnosis and treatment of the latent infection of Cytomegalovirus (CMV). Nearly 50-100% of the world's population remains infected by CMV throughout their lives. Consequences are most promptly observed in immunocompromised individuals comprising of organ transplant recipients, HIV-infected patients and new born infants. This book provides a comprehensive overview on manifestations of CMV infection in immunocompromised individuals, its effect on the immune system and how it can be diagnosed and treated. The book highlights the epidemiology and influences of CMV in Sub-Saharan nations and its relation with age related disorders normally witnessed in the western world. It emphasizes on a recent discovery regarding the relation between CMV and tumor immunobiology. This book demonstrates the development of a few compounds and highlights the need to produce new antiviral agents in future.