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Resources available to address Legionella threat

Buildings reopened after extended pandemic closure are at risk.

December 16, 2020 |

Courtesy Pixabay

Scientists and health professionals are warning building owners to heed the risk of Legionella prior to reopening buildings after COVID-19 pandemic shutdowns.

The risk of this deadly disease is elevated after extended shutdowns because stagnant water in HVAC systems can be a breeding ground for the Legionella bacteria. NSF Health Sciences and the National Environmental Health Association (NEHA) are hosting a virtual special session of the annual Legionella Conference on March 9-10, 2021.

“This virtual event will provide opportunity for experts from leading organizations to share insights and global perspective on an interactive platform,” according to a news release. “Specific topics include technical risk management and sampling strategies, safe reopening of buildings, and state-issued COVID-19 guidance related to water management, emergency planning and resiliency strategies to return to normal operations and prevent further public health hazards during a crisis.”

Online resources are available now at the CDC ( and NSF Health Sciences ( web sites.


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