AIDS SerodiagnosisSerologic TestsCommunicable DiseasesEnzyme-Linked Immunosorbent AssayInfectious Disease MedicineSensitivity and SpecificityAntibodies, BacterialHealth SurveysHealth Care SurveysAntigens, BacterialSyphilis SerodiagnosisAntibodies, HelminthAntigens, HelminthAntigens, ProtozoanImmunoglobulin MCommunicable Diseases, EmergingCommunicable Disease ControlAntibodies, ProtozoanImmunoglobulin GNational Institute of Allergy and Infectious Diseases (U.S.)Lyme DiseaseAgglutination TestsEvaluation Studies as TopicComplement Fixation TestsBorrelia burgdorferi GroupLeishmaniasis, VisceralDisease Transmission, InfectiousHemagglutination TestsAntibodies, ViralDourineRecombinant ProteinsCross ReactionsLeishmania infantumToxoplasmosisDisease OutbreaksDog DiseasesUnited StatesGlandersAntibodies, FungalImmunoblottingData CollectionParasitologyLeptospirosisGnathostomiasisClonorchis sinensisFascioliasisAcquired Immunodeficiency SyndromeInfectionVeterinary MedicineEchinococcosis, PulmonaryNutrition SurveysReagent Kits, DiagnosticPopulation SurveillanceMelioidosisClonorchiasisAntigens, FungalChagas DiseasePrevalenceFasciolaAnimal DiseasesCross-Sectional StudiesEhrlichiosisBacterial InfectionsReaginsCentral Nervous System Parasitic InfectionsClinical Laboratory TechniquesTaenia soliumTuberculosisLeptospiraSyphilisBabesiaLiver Abscess, AmebicPythiumBurkholderia pseudomalleiBabesiosisLatex Fixation TestsProtozoan ProteinsPlagueHIV InfectionsVirus DiseasesMycobacterium tuberculosisBorreliaBorrelia burgdorferiFluorescent Antibody TechniqueBrucellosisNeosporaTyphoid FeverBurkholderia malleiToxocariasisCysticercusEhrlichia chaffeensisWorld HealthCattle DiseasesBrucellaReagent StripsYawsReproducibility of ResultsTreponema pallidumFasciola hepaticaImmunoassay