This book deals with the diverse outlooks and perspectives related to infectious diseases. It unravels the recent studies in this field. Infections are caused by pathogens such as bacteria, fungi, protozoa, parasites, etc. Infectious diseases are also known as communicable diseases and can be treated with antibiotics, antifungals, antiprotozoals etc. Extensive research and new technology is required to deal with these diseases. Through this book, we attempt to further enlighten the readers about the new concepts in area. This book is compiled in such a manner, that it will provide in-depth knowledge about the theory and researches in the field of infectious diseases. It aims to serve as a resource guide for students and experts alike and contribute to the understanding of new diagnostic techniques in this discipline.