The book aims to shed light on some of the unexplored aspects of parasitology. It talks about the different studies performed and techniques used in this field in detail. Parsitology refers to the study of parasites, hosts and their relationship and interactions with eachother. It uses the techniques of ecology, immunology, bioinformatics, molecular biology, etc. to study parasities and their environment. Most of the topics introduced in this text cover new techniques and the applications of this field. It explores all the important aspects of the subject in the present day scenario. This text will serve as a reference to a broad spectrum of readers.