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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]
This incident piloted research on the disease causing bacteria, as well as, preventative approaches to contamination. [43] More recently, two outbreaks of Legionnaires disease among travelers on two cruise ships between November 2022 and June 2024 were reported by the United States Centers for Disease Control and Prevention . Hot tubs were ...
A study conducted in 2023 found increased cases of waterborne diseases including E-coli infections, Legionnaires' disease and Cryptosporidiosis in the weeks following storm-related flooding.
Legionella bacteria, is commonly found in water and can cause a serious type of lung infection - Here’s everything we know about the disease
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]
The symptoms of the disease usually show up within two to 10 days of bacteria inhalation, and include headache, muscle pain, chills, and a fever of 104 degrees Fahrenheit or higher.
Symptoms usually begin two to 10 days after being exposed to the bacteria, but it can take longer so people should watch for symptoms for about two weeks after exposure.
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.