SARS VirusAntibodiesSevere Acute Respiratory SyndromeAntibody SpecificityAntibodies, ViralAntibodies, BacterialAntibodies, MonoclonalAntibody FormationAntibodies, NeutralizingAntibody AffinityFluorescent Antibody TechniqueAntibodies, Anti-IdiotypicBinding Sites, AntibodyHIV AntibodiesEpitopesAntibodies, NeoplasmAntibodies, ProtozoanAntibodies, AntinuclearCross ReactionsNeutralization TestsImmunoglobulin MMolecular Sequence DataAutoantibodiesAntibodies, FungalSpike Glycoprotein, CoronavirusAmino Acid SequenceAntigen-Antibody ReactionsMice, Inbred BALB CAntibodies, BispecificImmunoglobulin GDisease OutbreaksSingle-Chain AntibodiesQuarantineAntibodies, BlockingCommunicable Diseases, EmergingAntigen-Antibody ComplexImmunoglobulin Fab FragmentsAntibodies, HeterophileAntibodies, CatalyticInfectious Disease Transmission, Patient-to-ProfessionalEpitope MappingFluorescent Antibody Technique, IndirectRabbitsImmunoglobulin AAntibodies, Monoclonal, HumanizedHybridomasImmune SeraCell LineImmunizationEnzyme-Linked Immunosorbent AssayAntibodies, AntiphospholipidViral Envelope ProteinsRecombinant ProteinsAntigensAntigens, ViralImmunoenzyme TechniquesNucleocapsid ProteinsHong KongPatient IsolationAntigens, BacterialBlotting, WesternAntigens, SurfaceCoronavirusImmunization, PassiveViral VaccinesImmunohistochemistryImmunoassayImmunoglobulin FragmentsMembrane GlycoproteinsMolecular WeightCells, CulturedBase SequenceSeroepidemiologic StudiesImmunoblottingElectrophoresis, Polyacrylamide GelRadioimmunoassayB-LymphocytesComplement Fixation TestsTime FactorsHemagglutination TestsT-LymphocytesHemagglutination Inhibition TestsSingaporeAntibodies, Antineutrophil CytoplasmicPeptide LibraryImmunoglobulin Variable RegionSensitivity and SpecificityImmunoglobulin IdiotypesPersonnel, HospitalImmunologic TechniquesAntigens, NeoplasmImmunosorbent TechniquesHaptensContact TracingVaccinationFlow CytometryImmunoglobulinsAntibody DiversityInfection ControlCattle