Legionnaires’ disease: lockdown risks and reopening safely


When buildings reopen after lockdown, it is essential that water systems are not put back into use without considering the risks of Legionnaires’ disease. There is an increased risk of waterborne pathogens such as Legionella bacteria being present as a consequence of the conditions that lockdown may have created. As a result of the coronavirus (COVID-19) pandemic, there is the potential for an increased number of people to be susceptible to Legionnaires’ disease due to a compromised respiratory system during or after infection with COVID-19.

For further guidance see ‘Legionnaires’ disease: Lockdown risk and reopening safely’ by the Chartered Institute of Environmental Health available online at:



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