HIV/ AIDS is transmitted from one person to another by sexual contact, blood transfer or breast milk. It causes the failure of the immune system. It has a number of symptoms such as fever, rash, enlarged glands and headache. From theories to research, case studies related to all contemporary topics of relevance to this field have been included in this book. It is a vital tool for all those who are researching or studying HIV/AIDS, as it gives incredible insights into emerging trends in diagnostic and assessment techniques.