Legionnaires' disease

Legionnaires’ disease and legionellosis

This guide provides advice to persons conducting a business or undertaking (PCBUs) about how to reduce the risk of workers getting Legionnaires’ disease. The advice also applies to other people, such as customers.

Preventing Legionnaires’ disease from cooling towers and evaporative condensers

Guidance on how to prevent Legionella bacteria from growing on wet surfaces of cooling towers, evaporative condensers and scrubbers.