Syphilis SerodiagnosisTreponema pallidumSyphilisReaginsTreponemal InfectionsFluorescent Treponemal Antibody-Absorption TestYawsTreponema Immobilization TestTreponemaNeurosyphilisSyphilis, CongenitalHemagglutination TestsAntibodies, BacterialSyphilis, LatentFluorescent Antibody TechniquePenicillin G BenzathineFalse Positive ReactionsAntigens, BacterialSerologic TestsRabbitsEvaluation Studies as TopicImmunoglobulin MCardiolipinsPoint-of-Care SystemsImmunoglobulin GReagent Kits, DiagnosticSensitivity and SpecificityBacterial ProteinsImmunoenzyme TechniquesClinical Laboratory TechniquesImmunoassayMethodsLaboratoriesImmune SeraAbsorptionEnzyme-Linked Immunosorbent AssayCross ReactionsDNA, Bacterial