title: [Swine-origin influenza H1N1/California--passions and facts].
abstract: Analysis of pandemic caused by swine influenza virus H1N1/California showed moderate virulence of this virus compared to pandemic viruses, which caused pandemics in 1918, 1957, and 1968. During seasonal influenza epidemic in countries of southern hemisphere (June-August 2009) despite on circulation of H1N1/California strain, epidemics was caused by human influenza viruses H3N2 and H1N1. It was concluded that strain H1N1/California could not be attributed to pandemic strains of influenza viruses.
authors.forename: Iu Z
authors.initials: IuZ
authors.lastname: Gendon
mesh_terms: D002140:California / Q000453:epidemiology; D004196:Disease Outbreaks; D014943:Global Health; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype / Q000472:pathogenicity*; D053122:Influenza A Virus, H3N2 Subtype / Q000472:pathogenicity; D007251:Influenza, Human / Q000453:epidemiology* / Q000517:prevention & control / Q000821:virology*; D016865:Reassortant Viruses / Q000472:pathogenicity; D014774:Virulence