Immunization of rats with a series of consecutive relapse variants of Trypanosoma brucei.
D000818:Animals; D000941:Antigens; D014644:Genetic Variation; D007114:Immunization; D011817:Rabbits; D051381:Rats; D014353:Trypanosomiasis, African / Q000517:prevention & control*; D014612:Vaccines / Q000627:therapeutic use*
D000941:Antigens; D014612:Vaccines