Trypanosoma vivax and immunosuppression.
D000818:Animals; D000917:Antibody Formation; D002417:Cattle; D007108:Immune Tolerance; D014345:Trypanosoma / Q000276:immunology*; D014346:Trypanosoma brucei brucei / Q000276:immunology; D014354:Trypanosomiasis, Bovine / Q000276:immunology*