The Correct Frequency Of Legionella Risk Assessment

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Despite its exotic name, suggesting it is only present in far-flung parts of the world, Legionella pneumophila bacteria has a well-established presence in so-called first world countries as well. Between 10,000 and 18,000 people in the United States alone are infected with Legionella every year. That is why determining the correct legionella risk assessment frequency can be very important and ultimately save lives.

There is no vaccine against it, and the disease is treated by antibiotics and the mortality rate is at about 10%

Many countries, the United Kingdom included, have regulations dictating mandatory legionella risk assessment frequency. In the UK, this isn’t mandatory just for business, but for landlords and duty holders as well. The risk assessment can help you identify potential threats and deal with them before they become a problem for you or your employees and clients.

One of the most effective ways of controlling the legionella bacteria growth is the water temperature in your systems. Temperatures between 20 °C and 45 °C are bacteria’s preferred range, with the ideal point being 37 °C. A log book with recorded temperatures inside the system can help you (or the experts you hired to conduct the risk assessment) determine the optimal measures that need to be taken in case of an outbreak.

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