Legionnaires Disease


    In News

    • Recently, a cluster of pneumonia cases in Tucumán, Argentina was caused by legionella which is the bacteria that causes Legionnaires’ disease.

    About Legionellosis disease

    • History
      • Legionella was discovered after an outbreak in 1976 among people who went to a Philadelphia convention of the American Legion.
    • What is Legionnaires’ disease?
      • Legionnaires disease is a serious type of pneumonia (lung infection) caused by Legionella bacteria. 
      • People can get sick when they breathe in small droplets of water or accidently swallow water containing Legionella into the lungs.
      • Legionella can cause Legionnaires’ disease and Pontiac fever, collectively known as legionellosis.
      • In general, people do not spread Legionnaires’ disease to other people
    • Causes and Common Sources of Infection
      • Legionella bacteria are found naturally in freshwater environments, like lakes and streams.
      • The bacteria can become a health concern when they grow and spread in human-made building water systems like:
        • Showerheads and sink faucets
        • Cooling towers 
        • Hot tubs
        • Decorative fountains and water features
        • Hot water tanks and heaters
        • Large, complex plumbing systems
    • Signs and Symptoms
      • Cough
      • Shortness of breath
      • Fever
      • Muscle aches
      • Headaches
    • Treatment 
      • There are no vaccines that can prevent Legionnaires’ disease.
      • Legionnaires’ disease requires treatment with antibiotics and most cases of this illness can be treated successfully.

    Source: DTE