OseltamivirNeuraminidaseDrug Resistance, ViralInfluenza A Virus, H1N1 SubtypeZanamivirAntiviral AgentsInfluenza, HumanInfluenza A Virus, H3N2 SubtypePandemicsMutation, MissenseAmino Acid SubstitutionMutationViral ProteinsAcetamidesDrug ResistanceDrug Resistance, MicrobialDrug Resistance, BacterialInfluenza B virusDrug Resistance, NeoplasmAmantadineDrug Resistance, MultipleDisease ResistancePyransInfluenza A Virus, H5N1 SubtypeVascular ResistanceDrug Resistance, Multiple, BacterialMicrobial Sensitivity TestsGuanidinesOrthomyxoviridae InfectionsProdrugsInfluenza A virusAnti-Bacterial AgentsCyclopentanes