Legionella bacteria are naturally
present in water courses
In man-made water systems, where conditions allow it can multiply and become deadly. People of all ages can be affected but it mainly it affects people over the age of 50 years. Men are three times more likely to get Legionnaires’ disease than women. Individuals with underlying medical conditions such as heart lung or liver disease – those with impaired immune systems are also at greater risk from the disease. Smoking is also considered a significant risk factor.
Legionella Health Information
What are the risks of Legionella to health?
Legionella can seriously affect health with a significant risk of death. The bacteria are identified under COSHH regulation and Legionellosis is a reportable disease under RIDDOR.
How soon do Legionella symptoms occur?
The incubation period can range from 2 to 19 days with a median of 6 to 7 days after exposure.
How is Legionella diagnosed?
A rapid diagnosis can be made by testing a urine sample from the patient, once the relevant symptoms have occurred. The urine test itself can give an initial result within 2-3 hours. Other more specialised tests, including growing the bacteria from clinical samples, can take several days.
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