Legionellosis (Legionella)
Legionnaires' Disease and Pontiac Fever

Legionellosis includes two diseases, Legionnaires’ disease and Pontiac fever, caused by exposure to the Legionella bacteria, Legionella pneumophila.  Legionnaires' disease causes pneumonia and was named after a deadly outbreak of pneumonia in 1976 among people attending a convention of the American Legion.

Pontiac fever is a mild form of Legionnaires’ disease that causes only flu-like illness.

• About Legionnaires’ Disease
  Fact sheet that answers some commonly asked questions about Legionnaires' disease.
  
   
• About Pontiac Fever
  Fact sheet that answers some commonly asked questions about Pontiac fever.
  
   
• Primary Prevention of Legionella Infections
  More about primary prevention, persons at increased risk, and common sources of Legionnaires' disease.
  
   
• Legionnaires' Disease Statistics
  Statistics for Legionnaires’ disease in Minnesota.
  
   
• For Hot Tub Owners and Operators
  Information about how to minimize the risk for Legionella exposure from hot tubs.
  
   
• For Health Professionals
  Guidelines and reporting information.
  
   
• More about Legionella: CDC: Legionella (Legionnaires' Disease and Pontiac Fever)