Bordetella parapertussisBordetellaBordetella InfectionsBordetella pertussisBordetella bronchisepticaWhooping CoughPertussis VaccineVirulence Factors, BordetellaPertussis ToxinO AntigensAntibodies, BacterialSpecies SpecificityBordetella aviumDNA, BacterialMolecular Sequence DataHemagglutininsBase Sequence