Legionella is a bug that can cause serious respiratory health problems. It is associated with fine water particles in the air which can be released in sprays or mists. Legionella can grow in stagnating water systems which is why there can be an increased risk in businesses that have been closed for some time. If you did not flush through your hot and cold water systems during lockdown you may need to carry out additional cleaning and disinfection before the building is occupied.
Buildings with spray taps, spas, certain air conditioning units or other potential additional sources of legionella should revise their risk assessments before reopening and seek specialist advice if necessary.
Further information on Legionella
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