This book has been written in a clear and straightforward manner, making it accessible to a broad audience. It is applicable to scientists, educators, students, officials, diagnosticians, and researchers, as Immunology has become an indispensable subject in understanding the immune system's role in disease pathogenesis, diagnosis, and treatment.

The book covers all aspects of Immunology, including innate and acquired immunity, antigens and antigenicity, antibody structure and function, complement, serological tests, T and B lymphocytes, cytokines, defects in the immune system, AIDS, autoimmunity and tolerance, tumor immunology, vaccines and vaccinations, as well as a variety of miscellaneous topics.

Additionally, the book includes a list of recommended tests for infectious diseases in international trade, which will be useful for researchers, educators, and students. Overall, this book is an excellent resource for anyone seeking to improve their understanding of Immunology and prepare for competitive examinations with greater confidence.

01: Overview of Immune System 02: Elements of Innate and Acquired Immunity 03: Antigen and Antigenecity 04: Antibody: Structure and Functions 05: Complement 06: Serological Tests 07: T Lymphocytes and B Lymphocytes 08: Cytokines 09: Immune Response to Infectious Disease 10: Defects in the Immune System 11: Immunodeficiency Diseases and Acquired Immunodeficiency Syndrome (Aids) 12: Autoimmunity and Tolerance 13: Tumour Immunology 14: Vaccines and Vaccination 15: Miscellaneous Questions 16: List of The Recommended Test for International Trade