Legionellosis – Australia
- August 18, 2021
- < 1 min read
2 hospitalized cases of Legionnaire’s disease were reported in Melbourne, Australia.
The disease is caused by legionella bacteria, that can be found in both natural and artificial bodies of water. Local cooling towers, pools, and spas are being tested to find the source of the outbreak. Symptoms are flu-like and severe pneumonia can occur. Infection occurs after breathing in contaminated droplets of water.
Both cases have been hospitalized, other individuals who developed flu-like symptoms are urged to seek immediate medical attention.

Photo: Electron micrograph of L. pneumophila, responsible for over 90% of Legionnaire disease cases.
Legionnaires’ disease is a form of atypical pneumonia caused by any species of Legionella bacteria. Signs and symptoms include cough, shortness of breath, high fever, muscle pains, and headaches. The symptoms often begins 2–10 days after exposure.
The bacterium is found naturally in fresh water. It can contaminate hot water tanks, hot tubs, and cooling towers of large air conditioners. It is usually spread by breathing in mist that contains the bacteria.
It typically does not spread directly between people, and most people who are exposed do not become infected.
Follow us
While you are here, help us with
Access to Essential Drugs
One third of children, women and men have no access to essential medicines, putting lives at risk. Hospitals frequently run out of medicines and other essential supplies. Our Med-Aid program connects hospitals with aid and ensures that they receive exactly what they need.
Access to Diagnostics
Much of today’s innovation is either not reaching or not suitable for people in developing countries.
Data to Improve Health
Faster and reactive systems to help provide lifesaving support to vulnerable communities.
Support our work. It only takes a minute but makes a world of difference!
With your help we can bring modern diagnostics and essential medicines to people in need, track disease outbreaks better and help prevent future pandemics.