HelminthsAntibodiesHelminthiasisHelminthiasis, AnimalAntibody SpecificityAntibodies, ViralTherapy with HelminthsAntibodies, BacterialAntibodies, MonoclonalIntestinal Diseases, ParasiticAntibody FormationAntibodies, NeutralizingTrichurisAntigens, HelminthAntibodies, HelminthAncylostomatoideaAntibody AffinityAnthelminticsFluorescent Antibody TechniqueHelminth ProteinsAntibodies, Anti-IdiotypicBinding Sites, AntibodyNematospiroides dubiusStrongylida InfectionsHIV AntibodiesEpitopesNematode InfectionsAntibodies, ProtozoanAntibodies, NeoplasmCestodaAntibodies, AntinuclearParasite Egg CountCross ReactionsAlbendazoleMice, Inbred BALB CSchistosoma mansoniQuestionnairesImmunoglobulin MAutoantibodiesAntibodies, FungalImmunoglobulin GCross-Sectional StudiesRisk FactorsMolecular Sequence DataFilarioideaProtozoan InfectionsNeutralization TestsSchistosomaTime FactorsAntigen-Antibody ReactionsAntibodies, BispecificAmino Acid SequenceFecesFilariasisSchistosomiasisCestode InfectionsSchistosomiasis mansoniNippostrongylusSingle-Chain AntibodiesAntibodies, BlockingAntigen-Antibody ComplexImmunoglobulin Fab FragmentsTrematodaProspective StudiesAntibodies, HeterophileAntibodies, CatalyticCohort StudiesFasciola hepaticaHost-Parasite InteractionsDNA, HelminthNecator americanusEnzyme-Linked Immunosorbent AssayTrematode InfectionsImmunoglobulin AImmunoglobulin ETh2 CellsAntibodies, Monoclonal, HumanizedRabbitsImmunizationSoilFluorescent Antibody Technique, IndirectHybridomasNematodaImmune SeraTreatment OutcomeParasitic DiseasesFollow-Up StudiesLongitudinal StudiesAge FactorsTrichinella spiralisEpitope MappingAntibodies, AntiphospholipidAntigensStrongyloides stercoralisParasitologySensitivity and SpecificityHymenolepiasisUnited StatesRecombinant ProteinsAntigens, Bacterial