Skip links and keyboard navigation


Print page Send by email

Fact sheet - Health conditions directory

Legionella are a type of bacteria, some of which can cause disease.There are over 50 different species of Legionella bacteria. In Australia the most common species that are known to cause human disease are Legionella pneumophila and Legionella longbeachae.

Legionellosis is a collective term for diseases caused by Legionella bacteria including the most serious, Legionnaires' disease, as well as the less serious condition of Pontiac fever. If a person has a Legionella-related disease and they have pneumonia they have Legionnaires' disease. If they don't have pneumonia they may have Pontiac fever which is usually a mild, flu like illness lasting a few days.

Public health management guidelines


      Pathology laboratories

      Notification resources

      Enhanced surveillance for public health units

      • Case report form (PDF, 221kB) - used by public health units to collect and manage more detailed information for enhanced case surveillance.
      Last updated: 5 June 2023

      Condition information

      Search this database of all notifable conditions and find:

      • control guidelines
      • notification requirements
      • health alert information
      • Resources

      Communicable diseases contacts

      Ph: +61 7 3328 9724 / 9728
      Fax: +61 7 3328 9782
      Page content queries
      Find: local public health unit

      Test results CDIS-NOCS-Support

      Quick links