title: Test screens blood for parasitic infection.
mesh_terms: D000818:Animals; D000913:Antibodies, Protozoan / Q000032:analysis*; D001782:Blood Donors; D014355:Chagas Disease / Q000175:diagnosis*; D006801:Humans; D011933:Reagent Kits, Diagnostic; D014349:Trypanosoma cruzi / Q000276:immunology*
chemical_list: D000913:Antibodies, Protozoan; D011933:Reagent Kits, Diagnostic