Prevention and Control
The key to preventing Legionnaires’ disease is to reduce the risk of Legionella growth and spread. Building owners and managers can do this by maintaining building water systems and implementing controls for Legionella. This section offers information for routine maintenance of building and recreational water systems to prevent disease.
In this 2016 Vital Signs, learn about the most common settings for outbreaks, why they occurred, and how to help prevent them.Fact Sheet [4 pages], Report
Many businesses are closed during the COVID-19 outbreak. Stagnant, or slow-moving, water can cause conditions that increase risk for Legionella and other biofilm-associated bacteria. Learn about steps to take before reopening your business and building.


Preventing Occupational Exposure to Legionella
The National Institute for Occupational Safety and Health (NIOSH) conducted Health Hazard Evaluations in workplaces with reported cases of Legionnaires’ disease among employees. Learn more about their recommendations.