Treponema pallidumTreponemaTreponemal InfectionsSyphilisYawsTreponema Immobilization TestSyphilis SerodiagnosisTreponema denticolaSyphilis, CongenitalRabbitsChancreAntibodies, BacterialNeurosyphilisAntigens, BacterialSyphilis, CutaneousHemagglutination TestsFluorescent Treponemal Antibody-Absorption TestSpirochaetaceaePenicillin G BenzathineSpirochaetaSpirochaetalesBacterial Proteins