This book is about the Hepatitis C Virus among the human population. It deals with the virology of the virus, the choice of methodology for community based prevalence study. The scope of the book also include the concept of epidemiology, choice of statistical analysis, common terminologies and their significance in prevalence related to the Virus. The effect of the Virus on Public Health at a global level is also stated. This book is recommended for clinicians, Laboratory Scientists, Researchers and Students of Public Health at all levels of academic pursuits. Also, for Government Institutions, Charity Groups and Non-Governmental Organizations around the world for effective strategy to assist combat the menace of the Virus and to the general Public for individual awareness.