HIV SeropositivityHIV SeroprevalenceNewcastle disease virusHIV InfectionsSubstance Abuse, IntravenousFoot-and-Mouth Disease VirusBorna disease virusSexual BehaviorRisk FactorsInfectious bursal disease virusDisease ProgressionSeroepidemiologic StudiesAphthovirusFoot-and-Mouth DiseaseNewcastle DiseaseHemorrhagic Disease Virus, RabbitBorna DiseaseAntibodies, ViralMarek DiseaseVirus ReplicationRNA VirusesBorder disease virusBirnaviridae InfectionsVirus CultivationRNA, ViralVaccinia virusAleutian Mink Disease VirusReceptors, VirusMardivirusAntigens, ViralViral ProteinsViruses, UnclassifiedChickensHemorrhagic Disease Virus, EpizooticMolecular Sequence DataEnzyme-Linked Immunosorbent AssayVirus SheddingCell LinePoultry DiseasesImmunoglobulin GVirus AssemblyVirus DiseasesCapsid ProteinsViral Structural ProteinsSwine Vesicular DiseaseNeutralization TestsDNA, ViralSimian virus 40CapsidDefective VirusesGenes, ViralAntibodies, BacterialSerologic TestsInfluenza A Virus, H1N1 SubtypePlant VirusesChlamydophila pneumoniaeHN ProteinDNA VirusesAmino Acid SequenceMeasles virusViral Fusion ProteinsChick EmbryoChlamydophila InfectionsInfluenza A Virus, H5N1 SubtypeSindbis VirusLumpy skin disease virusCricetinaeHIV SeronegativityViral Plaque AssayPrevalenceHIV-1Hepatitis B virusAleutian Mink DiseaseCercopithecus aethiopsRabies virusPhylogenyVero CellsVesicular stomatitis Indiana virusPolymerase Chain ReactionVirionViral VaccinesAcquired Immunodeficiency SyndromeHepatitis CTime FactorsVirus ActivationCytopathogenic Effect, ViralBursa of FabriciusBorder DiseaseHepatitis A virusVirulenceLentiviruses, BovineInfluenza A Virus, H3N2 SubtypeTumor Virus InfectionsCattle DiseasesCells, CulturedVirus LatencyAntiviral AgentsWest Nile virusGene Expression Regulation, ViralParainfluenza Virus 1, Human