The book is written in a very simple and lucid manner so that everybody can read and easily understand it properly. It contains two sections: viral diseases and bacterial diseases with lot of recent references. book will provide detailed and up to date information of all the zoonotic diseases of bacterial and viral origins affecting human and animal health globally. Finally, all can enrich their knowledge on zoonotic diseases from the book and can clarify any doubts and concepts very easily and confidently. The book is useful for scientists, teachers, students, officers, diagnosticians, laboratory technicians, public health professionals and medical personnel associated directly or indirectly with research, teaching, training, extension, diagnosis, epidemiology and control of zoonotic and food borne diseases.