Fluorescent Antibody TechniqueVirus CultivationAntibodiesImmune SeraFluorescent Antibody Technique, DirectCulture TechniquesImmunodiffusionAntigensImmunoglobulin GCattleAntibodies, ViralRabbitsFluorescent Antibody Technique, IndirectAbortion, VeterinaryAntibody SpecificityAntibodies, MonoclonalAntibodies, BacterialComplement Fixation Testsgamma-GlobulinsCross ReactionsBronchiolitis, ViralAntigen-Antibody ReactionsCattle DiseasesAntigens, ViralImmunoglobulin MImmunologic TechniquesMethodsAntibody FormationEnzyme-Linked Immunosorbent AssayAntibodies, NeutralizingRabiesImmunoenzyme TechniquesAntibodies, ProtozoanMicroscopy, ElectronAntibodies, Anti-IdiotypicRabies virusAntibody AffinityEpitopesNeutralization TestsSensitivity and SpecificityHemagglutination TestsAgglutination TestsBinding Sites, AntibodyEvaluation Studies as TopicAntigens, BacterialKidneyDog DiseasesSerologic TestsHIV AntibodiesStaining and LabelingAntibodies, NeoplasmAntibodies, AntinuclearLyssavirusSeroepidemiologic StudiesHemagglutination Inhibition TestsNeosporaSarcocystisDysenteryLegionnaires' DiseaseAutoantibodiesSwine DiseasesHorse DiseasesImmunoglobulin ASarcocystosisSpirochaetaMolecular Sequence DataLegionellaDogsSwineCell LineGoatsMicroscopy, FluorescenceAntibodies, FungalEncephalomyelitisVirusesHorsesReagent Kits, DiagnosticMice, Inbred BALB CCoombs TestPolymerase Chain ReactionChlamydia InfectionsChlamydia trachomatisCoronaviridae