title: [Targets groups for influenza vaccinations will be revised].
authors.forename: Reijo
authors.initials: R
authors.lastname: Pyhälä
mesh_terms: D003362:Cost-Benefit Analysis; D005387:Finland / Q000453:epidemiology; D006801:Humans; D007252:Influenza Vaccines; D007251:Influenza, Human / Q000453:epidemiology / Q000276:immunology / Q000517:prevention & control*; D018579:Patient Selection; D015397:Program Evaluation / Q000639:trends; D012307:Risk Factors; D014611:Vaccination / Q000191:economics / Q000331:legislation & jurisprudence / Q000592:standards*
chemical_list: D007252:Influenza Vaccines