Legionellosis – Canada
- August 6, 2021
- < 1 min read
Seven confirmed cases of Legionnaires’ disease in New Brunswick, Canada
Cooling towers in western Moncton are suspected to be the source of legionella bacteria. Patients had symptoms including fever, cough, shortness of breath, and muscle aches.
Six of the seven cases have been hospitalized and some are in intensive care.

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.