title: Swine influenza: lessons learned.
mesh_terms: D000328:Adult; D000939:Epitopes; D006801:Humans; D009980:Influenza A virus / Q000276:immunology; D007251:Influenza, Human / Q000453:epidemiology / Q000276:immunology; D009313:National Health Programs; D009976:Orthomyxoviridae Infections / Q000276:immunology / Q000517:prevention & control*; D014481:United States; D014765:Viral Vaccines / Q000009:adverse effects
chemical_list: D000939:Epitopes; D014765:Viral Vaccines