Nosocomial infections with Legionella pneumophila.
D003428:Cross Infection / Q000453:epidemiology* / Q000517:prevention & control; D004196:Disease Outbreaks / Q000453:epidemiology; D004739:England; D006801:Humans; D007877:Legionnaires' Disease / Q000453:epidemiology* / Q000517:prevention & control; D014481:United States