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Pontiac fever is an acute, nonfatal respiratory disease caused by various species of Gram-negative bacteria in the genus Legionella. It causes a mild upper respiratory infection that resembles acute influenza. Pontiac fever resolves spontaneously and often goes undiagnosed. Both Pontiac fever and the more severe Legionnaire's disease may be ...
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]
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]
Compared with previous variants, does it spread more easily, cause more severe cases and have the potential to evade COVID-19 vaccines? What we know about Omicron so far, according to an ...
Omicron variant symptoms may be different than previous Covid strains. Learn what you should know about Omicron symptoms and what to look out for. Omicron symptoms: What we know about illness ...
This is a list of Legionnaires' disease outbreaks; Legionnaire's is a potentially fatal infectious disease caused by gram negative, aerobic bacteria belonging to the genus Legionella. [ 1 ] [ 2 ] The first reported outbreak was in Philadelphia, Pennsylvania in 1976 during a Legionnaires Convention at the Bellevue-Stratford Hotel .
Although caused by the same bacterium, Pontiac fever is a milder ailment than Legionnaires' disease. Pneumonia is absent in those with Pontiac fever. [15] [16] An outbreak of pneumonia in July–August 1965, at St. Elizabeths Hospital in Washington, DC, which killed 16 persons out of 78 infected was later determined to be Legionnaires' disease ...
There’s a new variant of the coronavirus that infectious disease experts and public health officials are keeping a close eye on. XBB.1.16, also known as Arcturus, is an Omicron subvariant that ...
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