title: Nosocomial outbreak of Legionnaire's disease at the Pittsburgh Veterans Administration Medical Center.
mesh_terms: D000367:Age Factors; D000368:Aged; D003428:Cross Infection / Q000453:epidemiology*; D004196:Disease Outbreaks / Q000453:epidemiology*; D004197:Disease Reservoirs; D004917:Erythromycin / Q000627:therapeutic use; D006787:Hospitals, Veterans; D006801:Humans; D007877:Legionnaires' Disease / Q000453:epidemiology*; D008875:Middle Aged; D010414:Pennsylvania
chemical_list: D004917:Erythromycin