Legionnaires' disease in Staffordshire.
D000368:Aged; D000389:Air Conditioning / Q000009:adverse effects; D003140:Communicable Disease Control / Q000379:methods; D003428:Cross Infection / Q000517:prevention & control*; D004196:Disease Outbreaks / Q000517:prevention & control*; D004739:England; D006769:Hospitals, General / Q000458:organization & administration*; D006801:Humans; D007877:Legionnaires' Disease / Q000175:diagnosis / Q000517:prevention & control*