Influenza, HumanAntiviral AgentsInfluenza A virusInfluenza A Virus, H1N1 SubtypeInfluenza VaccinesInfluenza B virusInfluenza in BirdsInfluenza A Virus, H3N2 SubtypeInfluenza A Virus, H5N1 SubtypeOrthomyxoviridaeHemagglutinin Glycoproteins, Influenza VirusOrthomyxoviridae InfectionsOseltamivirVirus ReplicationRimantadineInfluenza A Virus, H9N2 SubtypeAmantadinePandemicsNeuraminidaseZanamivirInfluenza A Virus, H3N8 SubtypeAcyclovirOrganophosphonatesDisease OutbreaksDrug Resistance, ViralInfluenza A Virus, H2N2 SubtypeInfluenza A Virus, H7N7 SubtypeHemagglutination Inhibition TestsCell LineViral Plaque AssayInfluenza A Virus, H5N2 SubtypeHemagglutinins, ViralInfluenza A Virus, H7N9 SubtypeInterferonsRNA, ViralTrifluridineAntibodies, ViralViral ProteinsRibavirinSeasonsReassortant VirusesNucleosidesVirus DiseasesBirdsPyransVaccinationVero CellsGanciclovirViral Nonstructural ProteinsMolecular Sequence DataHepacivirusInfluenza A Virus, H1N2 SubtypeVirusesDogsVaccines, InactivatedCytosineCercopithecus aethiopsInterferon-alphaMadin Darby Canine Kidney CellsFoscarnetProdrugsHIV-1RibonucleosidesDucksMice, Inbred BALB CPost-Exposure ProphylaxisPoultryCytomegalovirusRNA ReplicaseIdoxuridineSimplexvirusOrganophosphorus CompoundsZalcitabineViral Matrix ProteinsAdenineAnti-HIV AgentsAmino Acid SequenceHerpes Simplex2-AminopurineHepatitis B virusViral LoadAntigens, ViralMyxovirus Resistance ProteinsInhibitory Concentration 50Pneumonia, ViralVirus InternalizationZidovudineInfluenzavirus CInterferon Type ILamivudineReverse Transcriptase InhibitorsCells, CulturedDNA, ViralCytomegalovirus InfectionsTime FactorsInfluenzavirus AHepatitis B, ChronicCytopathogenic Effect, ViralHepatitis C, ChronicHIV