Serologic TestsSyphilis SerodiagnosisComplement Fixation TestsAgglutination TestsBrucellosis, BovineEnzyme-Linked Immunosorbent AssayAntibodies, BacterialSyphilisSensitivity and SpecificityHemagglutination TestsBrucellosisFlocculation TestsRose BengalBrucellaImmunoglobulin MChagas DiseaseFalse Positive ReactionsImmunoglobulin GAntigens, BacterialSyphilis, CongenitalTreponemal InfectionsEvaluation Studies as TopicTreponema Immobilization TestAntibodies, ProtozoanReagent Kits, DiagnosticCounterimmunoelectrophoresisImmunodiffusionTrypanosoma cruziAntibodies, ViralBrucella abortusLatex Fixation TestsSeroepidemiologic StudiesFluorescent Antibody TechniqueLyme DiseaseTreponema pallidumCross ReactionsAntibodies, HelminthReaginsCoccidioidomycosisImmunologic TestsImmunoglobulin ABrucella melitensisMustelidaeLeishmaniasis, VisceralWeil DiseaseAntibodies, FungalNeurosyphilisCat-Scratch DiseaseFluorescent Antibody Technique, IndirectToxoplasmosisLeptospirosisCattle DiseasesYawsGranuloma InguinaleBrucella VaccineBartonella henselaeParasitologyHelicobacter pyloriSerologyPolymerase Chain ReactionDog DiseasesXenodiagnosisImmunoenzyme TechniquesAntigens, ProtozoanCeliac DiseasePneumonia, MycoplasmaEchinococcosisBrazilHelicobacter InfectionsMycoplasma pneumoniaeAbortion, VeterinaryBlood DonorsBorrelia burgdorferi GroupToxoplasmaHemagglutination Inhibition TestsNitroimidazolesCattleClinical Laboratory TechniquesMycoplasmaCoombs TestSheep DiseasesCoccidioidesEchinococcosis, PulmonaryCentral Nervous System HelminthiasisCalymmatobacteriumIntradermal TestsThoracic CavityImmunoassayQ FeverLeptospiraHerpes GenitalisEchinococcusLeprosyEndemic DiseasesHerpesvirus 2, HumanPenicillin G BenzathineAntibodiesLeishmania infantumAntigens, FungalPrevalence