The disease is a type of pneumonia caused by the bacteria Legionella, which grow in warm water and can spread in building water systems such as showerheads.

Cases of Legionnaires' disease are on the rise in New York City, with three death reported. Have there been cases of the disease in Louisiana?

At least 24 people remained hospitalized nearly two weeks after the cluster of Legionnaires’ disease was first detected in Harlem, with five zip codes affected, city health officials said.