Demonstration of passive transfer of protective antibodies against H. pertussis earlier than agglutinins are detectable.
D000373:Agglutinins; D000906:Antibodies; D000941:Antigens; D001886:Bordetella pertussis / Q000276:immunology*; D006801:Humans; D014917:Whooping Cough
D000373:Agglutinins; D000906:Antibodies; D000941:Antigens
ANTIGENS AND ANTIBODIES; HEMOPHILUS PERTUSSIS/immunology