title: Web data predict flu.
authors.forename: Declan
authors.initials: D
authors.lastname: Butler
mesh_terms: D016208:Databases, Factual; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology*; D016247:Information Storage and Retrieval; D020407:Internet; D011159:Population Surveillance / Q000379:methods*; D040442:Public Health Informatics / Q000379:methods; D015203:Reproducibility of Results