Legionnaires' disease in Durban. A case report.

An isolated case of Legionnaires' disease occurring in Durban is described. The patient presented with bilateral extensive pneumonia. Diagnosis was made by the indirect immunofluorescent antibody test, which showed a fourfold rise in titre from 1 : 128 to 1 : 512. Awareness of the fact that Legionnaires' disease occurs here should result in early recognition and appropriate management of this disease.