title: Influenza vaccine 2011-2012.
mesh_terms: D000818:Animals; D002986:Clinical Trials as Topic / Q000379:methods; D006801:Humans; D007252:Influenza Vaccines / Q000276:immunology / Q000627:therapeutic use*; D007251:Influenza, Human / Q000453:epidemiology / Q000276:immunology / Q000517:prevention & control*; D014611:Vaccination / Q000639:trends
chemical_list: D007252:Influenza Vaccines