The antigen of Bordetella pertussis that induces bactericidal antibody and its relationship to protection of mice.

Adjuvants, Immunologic/pharmacology Animals Antibodies/analysis Antigen-Antibody Reactions Antigens/analysis Antigens, Bacterial/analysis Bordetella pertussis/immunology Brain Diseases/immunology Culture Media Endotoxins/administration & dosage Hemolysin Proteins Immunodiffusion Lipopolysaccharides/pharmacology Mice Mice, Inbred Strains Nicotinic Acids Pertussis Vaccine Polysaccharides, Bacterial/pharmacology Precipitin Tests

Adjuvants, Immunologic Antibodies Antigens Antigens, Bacterial Culture Media Endotoxins Hemolysin Proteins Lipopolysaccharides Nicotinic Acids Pertussis Vaccine Polysaccharides, Bacterial