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Influenza Immunization
Advisory Committee on Immunization Practices (ACIP) Recommendation

ACIP recommends annual vaccination among people aged 65 years and older and among people aged 50-64 years because this group has an elevated prevalence of certain chronic medical conditions.


  • The flu is more than a bad cold; it may also result in hospitalization or death.
  • The single best way to protect against getting influenza is to get a flu shot each fall.
  • Among working-age adults, both injected and nasal flu vaccinations reduce absenteeism and presenteeism.1,2
    This service's Technical Report (pdf) includes details on the literature used and approach taken to estimate this service's health impact and cost effectiveness.
  1. Bridges CB, Thompson WW, Meltzer MI, Reeve GR, Talamonti WJ, Cox NJ, Lilac HA, Hall H, Klimov A, Fukuda K. Effectiveness and cost-benefit of influenza vaccination of healthy working adults: A randomized controlled trial. JAMA 2000 Oct 4;284(13):1655-63.
  2. Nichol KL, Mallon KP, Mendelman PM. Cost benefit of influenza vaccination in healthy, working adults: an economic analysis based on the results of a clinical trial of trivalent live attenuated influenza virus vaccine. Vaccine 2003 May 16;21(17-18):2207-17.