Induction of the primary immune response.
D000372:Agglutination Tests; D000818:Animals; D000917:Antibody Formation / Q000502:physiology*; D000937:Antigen-Antibody Reactions; D000941:Antigens / Q000378:metabolism; D003582:Cytogenetics; D004912:Erythrocytes; D008297:Male; D010323:Passive Cutaneous Anaphylaxis; D010587:Phagocytosis; D011817:Rabbits; D051381:Rats; D012756:Sheep
D000941:Antigens