Immunitya) Types of immunity – innate and discussions.hypersensitivity acquired.autoimmunity and b) Immunization schedule. immunizing agents Immunoprophylaxis (vaccines, sera etc.)c) Hypersensitivity and autoimmunity.d) Principles and uses of serologytests Types of immunity Immunity :- “Immunity is defined as the resistance of the body towards the harmful effects caused by the pathogenic organism and other toxic factors” (Immunity is the resistance shown by the host against the condition caused by the micro organism