immunoparasitology

noun
im·​mu·​no·​par·​a·​si·​tol·​o·​gy | \ -ˌpar-ə-sə-ˈtäl-ə-jē How to pronounce immunoparasitology (audio) , -ˌsīt-ˈäl- How to pronounce immunoparasitology (audio) \
plural immunoparasitologies

Medical Definition of immunoparasitology

: a branch of immunology that deals with animal parasites and their hosts