Introduces the concepts and terminology of the immune response, including humoral and cellular immunity, immunogenetics, tumor and transplantation immunity, serology, immunopathology, and developmental and comparative immunobiology. Equivalent to BIOL-570. Prerequisites: take BIOL-4450 and BIOL-4451 or take BIOL-4444, BIOL-4445, BIOL-4446, and BIOL-4447).