The virus causing dengue fever is known as the dengue virus. It is a mosquito borne single positive-stranded RNAS virus belonging to the family of Flaviviridae. This book is a compilation of topics that elaborately discuss the different aspects of dengue virus. It aims to provide its reader a broad spectrum of researches that have happened around the world on the nature of the virus and its changing characteristics. The text is an invaluable source of knowledge for those seeking information on the different approaches of immune system interaction and the different vaccines available. Coherent flow of topics, student-friendly language and extensive use of examples make this book a resource guide for students, researchers, experts and professionals associated with this area of study.