ZanamivirOseltamivirPyransNeuraminidaseAntiviral AgentsGuanidinesInfluenza, HumanSialic AcidsInfluenza B virusInfluenza A Virus, H1N1 SubtypeDrug Resistance, ViralAcetamidesAmantadineInfluenza A virusCyclopentanesInfluenza A Virus, H3N2 SubtypeOrthomyxoviridae InfectionsOrthomyxoviridaeInfluenza A Virus, H5N1 SubtypeFerretsRimantadinePandemicsProdrugsEnzyme InhibitorsChemopreventionDogsAdministration, InhalationHemagglutinin Glycoproteins, Influenza VirusNasal Lavage FluidSerial PassageAdministration, IntranasalInhibitory Concentration 50