HelminthsHelminthiasisAntigensHelminthiasis, AnimalTherapy with HelminthsAntigens, BacterialAntigens, HelminthAntigens, NeoplasmIntestinal Diseases, ParasiticAntigens, SurfaceAntibodies, HelminthAntigens, ViralTrichurisAncylostomatoideaAnthelminticsHelminth ProteinsSensitivity and SpecificityAntigens, ProtozoanNematospiroides dubiusStrongylida InfectionsAntigens, Polyomavirus TransformingHLA AntigensNematode InfectionsAntigens, FungalCestodaParasite Egg CountAntigens, CDH-2 AntigensAlbendazoleLimit of DetectionEnzyme-Linked Immunosorbent AssayCarcinoembryonic AntigenFecesAntibodies, MonoclonalAntigens, Viral, TumorPolymerase Chain ReactionProtozoan InfectionsImmunoglobulin GSchistosoma mansoniMolecular Sequence DataSchistosomaFilarioideaHLA-DR AntigensMice, Inbred BALB CReceptors, Antigen, T-CellEpitopesSchistosomiasisHistocompatibility AntigensSchistosomiasis mansoniProliferating Cell Nuclear AntigenProstate-Specific AntigenCestode InfectionsAntigens, CD15Histocompatibility Antigens Class IIO AntigensReceptors, Antigen, B-CellCross ReactionsNippostrongylusFilariasisT-LymphocytesParasitologyAntigens, Tumor-Associated, CarbohydrateDNA, HelminthTrematodaFasciola hepaticaHLA-A2 AntigenAntigens, CD8Host-Parasite InteractionsNecator americanusAntibody SpecificityTh2 CellsHepatitis B Surface AntigensFluorescent Antibody TechniqueBase SequenceTrematode InfectionsLymphocyte ActivationBlood Group AntigensImmunoenzyme TechniquesAntigens, CD3SoilAmino Acid SequenceAntibodies, BacterialReproducibility of ResultsHLA-A AntigensTaeniaParasitic DiseasesNematodaImmunoassayMice, Inbred C57BLTrichinella spiralisHistocompatibility Antigens Class IStrongyloides stercoralisHepatitis B AntigensCell LineImmune SeraAntibody FormationTime FactorsAntigen-Antibody ReactionsPrevalenceHLA-D Antigens