Human Immunodeficiency Virus (HIV) is perhaps the most fatal retrovirus encountered by researchers till date. AIDS is a communicable disease which can be transmitted through body fluids such as blood, breast milk, vaginal fluids, semen, etc. It destroys the immunity of a person completely and makes him/her susceptible to diseases. As there are numerous studies which are being conducted worldwide, this book has been compiled to provide the readers with some thoroughly selected advances made in this area. Different approaches, evaluations, diagnostic techniques, treatment methodologies and advanced studies in the area of HIV/AIDS have been included in it. This book, with its detailed analyses and data, will prove immensely beneficial to professionals and students involved in this field at various levels.