Scientists confirm cause of mysterious Legionnaires’ outbreak that killed 34 (opens original article in a new tab)

Scientists confirmed the cause of the 1976 Legionnaires' outbreak as Legionella pneumophila, which spreads through water systems and has led to improved treatments and monitoring.

• Scientists identified Legionella pneumophila as the cause of the 1976 Legionnaires' outbreak in Philadelphia, which killed 34 people.
• Legionella thrives in water systems like cooling towers and humidifiers, spreading through airborne particles.
• Newer antibiotics and diagnostic tests have improved treatment and detection of Legionnaires' disease.