Chlamydophila pneumoniaeChlamydophila InfectionsChlamydophilaMycoplasma pneumoniaeChlamydiaceaePneumonia, MycoplasmaChlamydophila psittaciChlamydialesBoidaePneumonia, BacterialKlebsiella pneumoniaePsittacosisStreptococcus pneumoniaeDNA, BacterialBacteriaPolymerase Chain ReactionRespiratory Tract InfectionsAntibodies, BacterialBacterial ProteinsCommunity-Acquired InfectionsMolecular Sequence DataAbortion, VeterinaryMicroviridaeChlamydiaceae InfectionsBird DiseasesAcute DiseaseKlebsiella InfectionsSensitivity and SpecificityGram-Negative BacteriaPneumococcal InfectionsGram-Positive BacteriaAnti-Bacterial AgentsChlamydia InfectionsSequence Analysis, DNASheep DiseasesChlamydiaRNA, Ribosomal, 16SMicrobial Sensitivity TestsPhylogenyBacterial Outer Membrane ProteinsBacteria, AnaerobicAborted FetusCat DiseasesParrots