title: Swine influenza: history and recommendations for vaccination.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D002681:China; D004196:Disease Outbreaks / Q000266:history; D004739:England; D005260:Female; D006666:History of Medicine; D006801:Humans; D009980:Influenza A virus / Q000276:immunology; D007252:Influenza Vaccines / Q000008:administration & dosage; D007251:Influenza, Human / Q000453:epidemiology / Q000266:history / Q000517:prevention & control*; D008875:Middle Aged; D011247:Pregnancy; D014481:United States; D014611:Vaccination
chemical_list: D007252:Influenza Vaccines