[Legionnaires' disease in the Paris area: epidemiology and mortality. Apropos of a series of 81 culture-positive cases].

Objectives: Evaluate etiological circumstances and prognosis in Legionnaires' disease.

Methods: A series of 81 culture-proven cases of Legionnaires' disease was collected in the Paris area between 1989 and 1994.

Results: Direct immunofluorescence assay was positive for Legionella pneumophilia in 48% of the cases.