Legionnaires’ disease, a type of pneumonia, was first identified in 1976 after an outbreak at the American Legion Convention in Philadelphia. The disease is caused by the bacterium Legionella pneumophila, which can thrive in pipes, whirlpools, and humidifiers. Despite knowing the cause, outbreaks continue to occur, with reported cases in the U.S. increasing in recent decades.

Causes and Symptoms

Legionella pneumophila multiplies in environmental water sources and is not spread by person-to-person contact. The bacteria can become airborne and be inhaled by nearby people, causing symptoms such as fever, cough, and trouble breathing. Early diagnosis and treatment are crucial, as the disease can be severe and even fatal.

Prevention and Treatment

Prevention measures include disinfecting water systems and avoiding stagnant water. Treatment typically involves antibiotics, such as azithromycin or levofloxacin. Rapid diagnostic tests have been developed to detect the organism in urine, allowing for prompt treatment.

Outbreaks have occurred in various settings, including hotels, hospitals, and public spaces. The Centers for Disease Control and Prevention (CDC) estimates that the U.S. economic burden from Legionnaires’ disease is likely over $1 billion per year.

Original reporting: KTBS 3 (Shreveport) — read the source article.