title: [The prevalence of influenza virus A in 2010 - 2011].
authors.affiliation: Columbia University, USA.
authors.forename: Jing-xian
authors.initials: JX
authors.lastname: Chen
mesh_terms: D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology* / Q000821:virology*; D015995:Prevalence; D012189:Retrospective Studies