[legionnaires' disease in the lake zurich area. report on 6 sporadic cases]. | six sporadic cases of legionnaires' disease seen over 13 months in the region of lake zurich (switzerland) are reported. the disease was severe in all cases; 2 patients died while on artificial respiration; 5 patients were heavy smokers; 3 had probably acquired the infection in france. these 6 patients showed the following typical symptoms and signs: fever above 39 degrees c (6 patients), nonproductive cough (4), gastrointestinal symptoms (4), encephalopathy (4), renal insufficiency (5), hepatic ... | 1980 | 7209463 |