title: Influenza A/H1N1 in 2009: a pandemic in evolution.
authors.forename: Tristan
authors.initials: T
authors.lastname: Clark
authors.forename: Iain
authors.initials: I
authors.lastname: Stephenson
mesh_terms: D000998:Antiviral Agents / Q000627:therapeutic use; D018890:Chemoprevention / Q000379:methods; D004196:Disease Outbreaks; D017277:Drug Approval / Q000379:methods; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype / Q000302:isolation & purification*; D007252:Influenza Vaccines / Q000276:immunology; D007251:Influenza, Human / Q000453:epidemiology* / Q000517:prevention & control / Q000821:virology*
chemical_list: D000998:Antiviral Agents; D007252:Influenza Vaccines