Legionellosis – United States

18 cases of Legionnaires’ Disease were detected in Harlem, NYC, United States.

An investigation of this outbreak found the infectious bacteria in NYC Health + Hospitals/Harlem waterways.

18 cases, all were hospitalized, and 16 have been discharged, no deaths have been recorded so far.

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.

<<< Back to alert index

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.