title: Swine-origin influenza virus in young age groups.
authors.forename: Leonard A
authors.initials: LA
authors.lastname: Mermel
mesh_terms: D000293:Adolescent; D000367:Age Factors; D004196:Disease Outbreaks; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype / Q000276:immunology / Q000472:pathogenicity*; D007251:Influenza, Human / Q000453:epidemiology* / Q000276:immunology / Q000821:virology*; D037521:Virulence Factors; D055815:Young Adult
chemical_list: D037521:Virulence Factors