title: An outbreak of Legionnaires' disease in Spain.
mesh_terms: D000368:Aged; D004196:Disease Outbreaks; D005260:Female; D006801:Humans; D016952:Legionella pneumophila / Q000302:isolation & purification; D007877:Legionnaires' Disease / Q000453:epidemiology* / Q000517:prevention & control; D008297:Male; D008875:Middle Aged; D013030:Spain / Q000453:epidemiology; D018508:Water Purification