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Coronavirus (COVID-19) - Legionnaires’ Disease – make sure your system is serviced

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Do your premises have a water and air-conditioning system? Please make sure getting them serviced is part of any reopening plans you may be putting together. 

Any water systems lying dormant during the COVID-19 emergency are likely to have increased levels of bacteria present, which means there’s an increased risk of Legionnaires' disease.

Whether you’re responsible for a business, community venue or school, you will need to make sure your hot/cold water and air-con systems are properly serviced and maintained before you reopen – whenever that may be.

Advice and guidance is available on our Environmental Health Team pages, so please look online and make contact if you have questions or concerns.

Legionnaires' disease is a type of pneumonia. It’s a lung infection you catch by inhaling droplets of water from the likes of air conditioning units, shower heads or hot tubs. It's not a common disease, but it can be very serious.

Symptoms are similar to COVID-19 and include high temperature, feverishness and chills, cough, muscle pains, headache, and pneumonia.

The European Society of Clinical Microbiology and Infectious disease (ESGLI) has issued specific guidance on managing Legionella in buildings and offices that have shut down due to the pandemic. The following key summarised information is taken from their guidance (produced on 27 March 2020) and the full document can be downloaded via

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