Health District staff conduct epidemiological and environmental investigations of facilities are associated with a confirmed or suspected case or cases of legionellosis.

These guidelines provide information to potentially affected facilities regarding the illnesses caused by Legionella bacteria and the process for conducting environmental investigations of systems or locations where potential exposure of guests and employees to Legionella pneumophila bacteria may occur.

• Background
• Definitions
• Case Management
• EH-097
• Authorities and Responsibilities