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The European Working Group for Legionella Infections (EWGLI) was formed in 1986. Its members are scientists with an interest in improving knowledge and information on the epidemiological and microbiological (clinical and environmental) aspects of legionnaires' disease . [ 1 ]
Legionella is a genus of gram-negative bacteria that can be seen using a silver stain or grown in a special media that contains cysteine, an amino acid.It is known to cause legionellosis [3] (all illnesses caused by Legionella) including a pneumonia-type illness called Legionnaires' disease and a mild flu-like illness called Pontiac fever. [3]
Legionella spp. enter the lungs either by aspiration of contaminated water or inhalation of aerosolized contaminated water or soil. In the lung, the bacteria are consumed by macrophages, a type of white blood cell, inside of which the Legionella bacteria multiply, causing the death of the macrophage. Once the macrophage dies, the bacteria are ...
Legionella pneumophila, the primary causative agent for Legionnaire's disease, is an aerobic, pleomorphic, flagellated, non-spore-forming, Gram-negative bacterium. [ 1 ] [ 2 ] L. pneumophila is a intracellular parasite that preferentially infects soil amoebae and freshwater protozoa for replication.
Because users spend 90% time in interior, they can expose to indoor air pollutions that lead to headaches, dry throat, eye irritation, runny nose, asthma attacks, infection with legionella bacteria and carbon monoxide poisoning. It leads to thousands of cancer death and 100,000 of respiratory issues annually.
[12] [13] An outbreak caused by Legionella micdadei in early 1988 in the UK became known as Lochgoilhead fever. [14] Since that time, other species of Legionella that cause Pontiac fever have been identified, most notably in New Zealand, in 2007 where Legionella longbeachae was discovered. The New Zealand outbreak also marked the first time ...
Legionella sp. under ultraviolet illumination Scientific classification; Domain: Bacteria: Phylum: Pseudomonadota: Class: Gammaproteobacteria: Order: Legionellales: Families and genera Legionellaceae Legionella Coxiellaceae Aquicella Coxiella Diplorickettsia Rickettsiella "Ca. Berkiella" [1] "Ca. Fiscibacter" [1] "Ca.
Awareness of a possible health risk with potting mix protected against illness. [9] Inhalation and ingestion are possible modes of transmission. [9] Exposure to aerosolized organisms and poor gardening hygiene may be important predisposing factors to L. longbeachae infection. [9]