Immunoglobulin GAntibodies, BacterialImmunoglobulin MAntibodies, ViralAntibody SpecificityEnzyme-Linked Immunosorbent AssayAntibodiesImmunoglobulin AImmunoglobulinsAntibodies, ProtozoanAntigens, BacterialAntibodies, MonoclonalAntibody AffinityCross ReactionsAntibody FormationSerologic TestsSeroepidemiologic StudiesToxoplasmosisFluorescent Antibody TechniqueToxoplasmaAntibodies, FungalImmunizationAntigens, ProtozoanImmunoglobulin Heavy ChainsRubella virusEpitopesSensitivity and SpecificityImmunoglobulins, IntravenousRabbitsStaphylococcal Protein AImmunoassayImmunoenzyme TechniquesImmune SeraImmunoglobulin Light ChainsImmunity, Maternally-AcquiredBacterial VaccinesHelicobacter InfectionsImmunoglobulin Fab FragmentsGenes, ImmunoglobulinHelicobacter pyloriImmunoglobulin A, SecretoryComplement Fixation TestsMolecular Sequence DataPolysaccharides, BacterialImmunization, PassiveMice, Inbred BALB CAntibodies, NeutralizingAntibodies, Anti-IdiotypicPeriodontitisImmunoglobulin IsotypesAntigens, ViralImmunoglobulin Fc FragmentsTetanus ToxoidEvaluation Studies as TopicHemagglutination TestsImmunoglobulin kappa-ChainsBinding Sites, AntibodyImmunoglobulin ERubellaAmino Acid SequenceTreponema pallidumImmunoglobulin Variable RegionImmunodiffusionSalivaRecombinant ProteinsImmunoblottingBacterial ProteinsBacterial Outer Membrane ProteinsAntigen-Antibody ComplexAggregatibacter actinomycetemcomitansMolecular WeightCryptosporidium parvumB-LymphocytesProtozoan ProteinsReagent Kits, DiagnosticAntigen-Antibody ReactionsNeutralization TestsVaccinationImmunoglobulin FragmentsAutoantibodiesCytomegalovirusBlotting, WesternHIV AntibodiesImmunoglobulin lambda-ChainsImmunoglobulin mu-ChainsTime FactorsBordetella pertussisBase SequenceAntibodies, NeoplasmAntibodies, AntinuclearSyphilisLipopolysaccharidesImmunoglobulin DImmunoglobulin Constant RegionsCattleRecombinant Fusion ProteinsImmunoglobulin AllotypesImmunoglobulin gamma-ChainsImmunoglobulin Class SwitchingReceptors, Fc