Immunology and Parasitology - Hardcoverby Arron Henderson (Editor) Immunology is a sub field of biology and medicine which studies the immune system. Parasites are the organisms which reside in or on their host and obtain food by harming their hosts. Parasitology, refers to the study of parasites and their hosts, along with the interactions that take place between them. Immunoparasitology is the combination of immunology and parasitology, which studies the immunological interactions that