Legionella (Legionnaires' Disease and Pontiac Fever)
What is Legionnaires’ disease?
Legionnaires’ (LEE-juh-nares) disease is a serious type of pneumonia (lung infection) caused by Legionella (LEE-juh-nell-a) bacteria. People can get sick when they breathe in mist or accidently swallow water into the lungs containing Legionella.
Page last reviewed: April 30, 2018