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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]
Roughly 2 out of 100,000 people are infected each year in the European Union (EU), with an infection rate of approximately 5 per 100,000 in Italy. [44] The highest reported amount of cases in the US, EU, and Italy have been among men over the age of 50. [44] [43] L. pneumophila often infects individuals through poor quality water sources.
Pontiac fever is known to have a short incubation period of 1 to 3 days. No fatalities have been reported and cases resolve spontaneously without treatment. [8] It is often not reported. [9] Age, gender, and smoking do not seem to be risk factors. Pontiac fever seems to affect young people in the age medians of 29 to 32.
Adults over 65 should get the pneumococcal vaccine, which protects against pneumococcal disease caused by bacteria, Dr. Kavasery says. These diseases include pneumonia, ear infections, sinus ...
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 ...
The fatality rate of Legionnaires' disease has ranged from 5–30% during various outbreaks and approaches 50% for nosocomial infections, especially when treatment with antibiotics is delayed. [38] Hospital-acquired Legionella pneumonia has a fatality rate of 28%, and the principal source of infection in such cases is the drinking-water ...
Authorities in Napa County are investigating an outbreak of Legionnaires' disease that sickened 12 people, killing one of them, over the last three weeks. ... 50 and had risk factors for severe ...
Legionella pneumophila is the most common cause, but sometimes other species of Legionella bacteria also cause Legionnaires' disease. [ 15 ] [ 16 ] The terms "Philadelphia fever" and "Legion fever" appear to have been used at the time of the outbreak and for shortly thereafter, [ 17 ] although at least one 2008 source which covers disease in a ...