Low coverage of seasonal influenza vaccination in the elderly in many European countries.
D000368:Aged; D005060:Europe; D006801:Humans; D017589:Immunization Programs / Q000706:statistics & numerical data*; D007252:Influenza Vaccines / Q000627:therapeutic use; D007251:Influenza, Human / Q000276:immunology* / Q000517:prevention & control*; D012621:Seasons; D011795:Surveys and Questionnaires
D007252:Influenza Vaccines