Transmission, symptoms... All About Legionellosis, This Deadly Disease in 10% of Cases

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Two people have died as a result of legionellosis in Savoie, where 41 cases have been recorded in recent weeks. An investigation is under way to determine the origin of the contamination, an update on this disease in four questions. - Transmission, symptoms... Everything about legionellosis, this fatal disease in 10% of cases (Health and well-being).

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Legionellosis, a lung pathology that killed one in Basel at the beginning of August, mainly affects the elderly. While a national report of 2025 pointed to shortcomings in half of the controlled MSEs, preventive measures were deployed. Reportage in Geneva.