Viral Matrix ProteinsInfluenza A virusInfluenza in BirdsInfluenza, HumanInfluenza A Virus, H5N1 SubtypeHLA-A2 AntigenInfluenza VaccinesInfluenza A Virus, H1N1 SubtypeInfluenza A Virus, H9N2 SubtypePoultryBirdsHemagglutinin Glycoproteins, Influenza VirusInfluenza A Virus, H3N2 SubtypeInfluenza B virusExtracellular Matrix ProteinsInfluenza A Virus, H5N2 SubtypeInfluenza A Virus, H7N7 SubtypeDucksOrthomyxoviridae InfectionsAnseriformesInfluenza A Virus, H7N9 SubtypeExtracellular MatrixOrthomyxoviridaeReassortant VirusesDisease OutbreaksCloacaNeuraminidaseChickensInfluenza A Virus, H3N8 SubtypePoultry DiseasesInfluenza A Virus, H7N1 SubtypeInfluenza A Virus, H7N3 SubtypeHemagglutination Inhibition TestsCartilage Oligomeric Matrix ProteinAnimals, WildPandemicsGeeseHemagglutinins, ViralAntibodies, ViralInfluenza A Virus, H2N2 SubtypeMatrilin ProteinsInfluenza A Virus, H7N2 SubtypeOseltamivirVirus SheddingZoonosesMolecular Sequence DataCharadriiformesPhylogenyAnimal MigrationBird DiseasesVaccines, InactivatedInfluenza A Virus, H1N2 SubtypeHemagglutininsSeasonsCell LineAntiviral AgentsViral ProteinsVaccinationNuclear MatrixVirus ReplicationFerretsDogsMatrix MetalloproteinasesFibronectinsMatrix Metalloproteinase 2Amino Acid SequenceVirulenceChick EmbryoZanamivirMadin Darby Canine Kidney CellsRNA, ViralNucleoproteinsInfluenzavirus ABone MatrixVietnamSentinel SurveillanceAntigens, ViralRNA ReplicaseCommunicable Diseases, EmergingDelawareReverse Transcriptase Polymerase Chain ReactionChinaAmantadineMice, Inbred BALB CLungTurkeysCells, CulturedCollagen