Sensitivity and SpecificityFalse Positive ReactionsTreponema pallidumSyphilis SerodiagnosisBrain DeathSyphilisReagent Kits, DiagnosticFluorescent Treponemal Antibody-Absorption TestSerologic TestsEnzyme-Linked Immunosorbent Assaybeta-LactamasesHemagglutination TestsFalse Negative ReactionsBacteriological TechniquesKlebsiella pneumoniaeAntibodies, BacterialImmunoenzyme Techniquesbeta-Lactam ResistanceEvaluation Studies as TopicPredictive Value of TestsEnterobacteriaceaeHIV AntibodiesMicrobial Sensitivity TestsPolymerase Chain ReactionMass ScreeningReproducibility of ResultsBlotting, WesternFluorescent Antibody TechniqueAnti-Bacterial AgentsImmunoglobulin GCulture MediaEscherichia coliHIV InfectionsPrevalence