The presence in normal serum of specific antibody against bacteriophage T4 and its increase during the earliest stages of immunization.
D000906:Antibodies; D000941:Antigens; D017122:Bacteriophage T4; D001435:Bacteriophages; D006801:Humans; D007109:Immunity; D007114:Immunization
D000906:Antibodies; D000941:Antigens
ANTIGENS AND ANTIBODIES; BACTERIOPHAGE; IMMUNITY