title: Influenza cases build across country.
mesh_terms: D000575:American Nurses' Association / Q000458:organization & administration*; D004196:Disease Outbreaks / Q000706:statistics & numerical data*; D006760:Hospitalization / Q000706:statistics & numerical data*; D006801:Humans; D007114:Immunization; D007251:Influenza, Human / Q000453:epidemiology*; D009740:Nursing Staff; D009937:Organizational Objectives; D014481:United States / Q000453:epidemiology