title: Widespread flu in United States exposes shortage of vaccine.
authors.forename: Fred
authors.initials: F
authors.lastname: Charatan
mesh_terms: D004196:Disease Outbreaks; D006801:Humans; D007252:Influenza Vaccines / Q000600:supply & distribution*; D007251:Influenza, Human / Q000453:epidemiology* / Q000517:prevention & control; D014481:United States / Q000453:epidemiology
chemical_list: D007252:Influenza Vaccines