title: Influenza vaccine 2008-2009.
abstract: Annual immunization against influenza A and B is the most effective method of preventing infection and has been shown to reduce influenza complications. Changes this year include a vaccine with three new influenza antigens and expanded age criteria to include all children 6 months to 18 years of age. An upcoming issue of The Medical Letter will review drugs for prophylaxis and treatment of influenza.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D000818:Animals; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D053118:Influenza A Virus, H1N1 Subtype / Q000276:immunology; D053122:Influenza A Virus, H3N2 Subtype / Q000276:immunology; D009980:Influenza A virus / Q000276:immunology; D009981:Influenza B virus / Q000276:immunology; D007252:Influenza Vaccines / Q000008:administration & dosage / Q000009:adverse effects / Q000276:immunology*; D007251:Influenza, Human / Q000453:epidemiology / Q000276:immunology / Q000517:prevention & control*; D008875:Middle Aged; D014611:Vaccination / Q000009:adverse effects / Q000639:trends*
chemical_list: D007252:Influenza Vaccines