title: Pandemic (H1N1) 2009 reinfection, Chile.
authors.forename: Carlos M
authors.initials: CM
authors.lastname: Perez
authors.forename: Marcela
authors.initials: M
authors.lastname: Ferres
authors.forename: Jaime A
authors.initials: JA
authors.lastname: Labarca
mesh_terms: D000293:Adolescent; D000328:Adult; D002677:Chile / Q000453:epidemiology; D004196:Disease Outbreaks; D005260:Female; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype; D007251:Influenza, Human / Q000453:epidemiology / Q000821:virology*; D008297:Male; D008875:Middle Aged; D012008:Recurrence