Mandatory ProgramsInfluenza A virusInfluenza, HumanInfluenza VaccinesInfluenza A Virus, H1N1 SubtypeInfluenza in BirdsInfluenza B virusInfluenza A Virus, H3N2 SubtypeMandatory TestingInfluenza A Virus, H5N1 SubtypeHemagglutinin Glycoproteins, Influenza VirusOrthomyxoviridaeOrthomyxoviridae InfectionsMandatory ReportingProgram EvaluationInfluenza A Virus, H9N2 SubtypePandemicsInfluenza A Virus, H3N8 SubtypeInfluenza A Virus, H2N2 SubtypeNeuraminidaseInfluenza A Virus, H7N7 SubtypeHemagglutination Inhibition TestsDisease OutbreaksProgram DevelopmentOseltamivirInfluenza A Virus, H5N2 SubtypeHemagglutinins, ViralInfluenza A Virus, H7N9 SubtypeVaccinationSeasonsReassortant VirusesBirdsAntibodies, ViralUnited StatesInfluenza A Virus, H1N2 SubtypeGovernment ProgramsAntiviral AgentsVaccines, InactivatedZanamivirAmantadineImmunization ProgramsMadin Darby Canine Kidney CellsPoultryPopulation SurveillanceDucksDogsInfluenzavirus CTime FactorsViral Matrix ProteinsVoluntary ProgramsNational Health ProgramsRimantadineSentinel SurveillanceInfluenza A Virus, H7N3 SubtypeCross ProtectionInfluenzavirus APneumonia, ViralMolecular Sequence DataMass VaccinationCell LineInfant, NewbornVirus ReplicationTreatment OutcomeAntigens, ViralHealth PromotionVaccines, AttenuatedQuestionnaires