A Course that covers the fundamentals of Immunology and provides certain medical aspects to it. It begins with an Introduction and then delves into the History, followed by the location of the immune system in the human body, then to the various cell types, followed by the types of immunity, that is the innate and the adaptive and the cells related to each type of immunity. Next is the description of antigens and antibodies in terms of composition and structure as well as the primary and the secondary immune responses. This is followed by a brief explanation of abnormal immunity and a conclusion of the overall course.