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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 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.
A legionellosis is any disease caused by Legionella, including Legionnaires' disease (a pneumonia) and Pontiac fever (a related upper respiratory tract infection), [10] but Legionnaires' disease is the most common, so mentions of legionellosis often refer to Legionnaires' disease. The bacterium is found naturally in fresh water. [4]
The pathogenic bacteria able to carry out natural genetic transformation (of those listed in the table) are Campylobacter jejuni, Enterococcus faecalis, Haemophilus influenzae, Helicobacter pylori, Klebsiella pneumoniae, Legionella pneumophila, Neisseria gonorrhoeae, Neisseria meningitidis, Staphylococcus aureus, Streptococcus pneumoniae and ...
You can contract Legionnaire's disease by inhaling the bacteria (legionella), but NOT from person to person contact. Because it is a disease that affects the lungs, older adults, smokers and ...
Legionella micdadei is a Gram-negative bacterium from the genus Legionella, which stains acid-fast. It stains weakly, but loses this trait upon being grown in culture. Tatlockia micdadei is an alternative term for L. micdadei, the Pittsburgh pneumonia agent and TATLOCK strain. [2] It is named after Joseph E. McDade, who first isolated L ...
Twelve cases of Legionnaires’ disease were reported among cruise ship passengers on two different vessels, according to the CDC report. Out of the dozen sickened individuals, 10 were ...
Five people have developed Legionnaires' disease following possible exposure to contaminated water droplets from a cooling tower in downtown Lincoln, New Hampshire, state health officials say.