Chlamydophila pneumoniaeChlamydophila InfectionsChlamydophilaMycoplasma pneumoniaeChlamydiaceaePneumonia, MycoplasmaVirulenceChlamydophila psittaciChlamydialesBoidaeVirulence FactorsPneumonia, BacterialStreptococcus pneumoniaeKlebsiella pneumoniaePsittacosisDNA, BacterialBacterial ProteinsPolymerase Chain ReactionAntibodies, BacterialRespiratory Tract InfectionsMolecular Sequence DataCommunity-Acquired InfectionsAbortion, VeterinaryMicroviridaeChlamydiaceae InfectionsBird DiseasesKlebsiella InfectionsGene Expression Regulation, BacterialAcute DiseasePneumococcal InfectionsSensitivity and SpecificityBacterial Outer Membrane ProteinsGenes, BacterialAnti-Bacterial AgentsSequence Analysis, DNASheep DiseasesChlamydia InfectionsGenome, BacterialChlamydiaBacterial AdhesionAntigens, BacterialAdhesins, BacterialMicrobial Sensitivity TestsStreptolysinsAborted FetusBacterial ToxinsHemolysin ProteinsCat DiseasesZoonosesAmino Acid SequenceParrotsBacterial Capsules