AIDS SerodiagnosisSerologic TestsEnzyme-Linked Immunosorbent AssaySensitivity and SpecificityAntibodies, BacterialSyphilis SerodiagnosisAntibodies, HelminthAntigens, BacterialAntigens, HelminthAntigens, ProtozoanImmunoglobulin MImmunoglobulin GAntibodies, ProtozoanPrimary PreventionEvaluation Studies as TopicAgglutination TestsLyme DiseaseBorrelia burgdorferi GroupComplement Fixation TestsHemagglutination TestsDelayed DiagnosisLeishmaniasis, VisceralLeishmania infantumDourineDog DiseasesEarly DiagnosisCross ReactionsRecombinant ProteinsPrenatal DiagnosisParasitologyToxoplasmosisAntibodies, ViralImmunoblottingGlandersAntibodies, FungalReagent Kits, DiagnosticFascioliasisGnathostomiasisEchinococcosis, PulmonaryClonorchis sinensisCenters for Disease Control and Prevention (U.S.)LeptospirosisAcquired Immunodeficiency SyndromeSecondary PreventionRisk FactorsPredictive Value of TestsAntigens, FungalClonorchiasisReproducibility of ResultsHIV InfectionsDiagnostic ErrorsFasciolaFalse Positive ReactionsTaenia soliumVeterinary MedicineRetrospective StudiesDiagnosisLiver Abscess, AmebicLatex Fixation TestsReaginsClinical Laboratory TechniquesTime FactorsCentral Nervous System Parasitic InfectionsFluorescent Antibody TechniqueImmunoenzyme TechniquesCysticercusBabesiaImmunoassayChagas DiseaseUnited StatesEhrlichiosisBurkholderia malleiBorreliaLeptospiraNeosporaNeurocysticercosisMelioidosisToxocariasisTreponema pallidumEchinococcosisPregnancyCounterimmunoelectrophoresisHorse DiseasesInfant, NewbornFasciola hepaticaBabesiosisMycobacterium tuberculosisGnathostomaReagent StripsFluorescent Antibody Technique, IndirectSparganosisYawsProtozoan ProteinsBrucellosisPythiumBorrelia burgdorferiEhrlichia chaffeensisBrucellaTreatment OutcomeAccident Prevention