title: When Google got flu wrong.
authors: Declan
authors: D
authors: Butler
mesh_terms: D063045:Crowdsourcing; D057225:Data Mining / Q000379:methods*; D062665:Epidemiological Monitoring; D006801:Humans; D053122:Influenza A Virus, H3N2 Subtype / Q000302:isolation & purification / Q000472:pathogenicity; D007251:Influenza, Human / Q000453:epidemiology* / Q000401:mortality / Q000821:virology; D020407:Internet; D015203:Reproducibility of Results; D061108:Social Media; D014481:United States / Q000453:epidemiology