[Nosocomial influenza outbreak in a geriatrics department: Effectiveness of preventive measures].

Objective: To describe a nosocomial influenza outbreak and the pharmacologic and nonpharmacologic control measures implemented in a hospital ward with beds for acute geriatric care and rehabilitation care.

Methods: Descriptive survey conducted in the geriatrics department of a university hospital. An influenza outbreak occurred in February 2005 in 2 of the department's 3 separate units.