Treponema pallidumSyphilisTreponemaYawsSyphilis SerodiagnosisTreponemal InfectionsTreponema Immobilization TestGlobus PallidusChancreRabbitsSyphilis, CongenitalAntibodies, BacterialAntigens, BacterialNeurosyphilisFluorescent Treponemal Antibody-Absorption TestMyxomycetesSyphilis, CutaneousHemagglutination TestsSpirochaetaceaeGenitaliaPenicillin G BenzathineBacterial ProteinsUlcerSyphilis, LatentDictyosteliidaSpirochaetaBacterial Outer Membrane ProteinsSpirochaetalesGingivitis, Necrotizing UlcerativeTestisDNA, BacterialMolecular Sequence DataLipoproteinsReaginsGenes, BacterialBacteriological TechniquesImmune SeraAntigens, SurfaceOrchitisChancroid