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Article History

Received: 17 December 2024

Accepted: 25 August 2025

First Online: 24 October 2025

Declarations

:

: This study received approval by the Research, Privacy, and Ethics Board of Public Health Ontario, file name : 'Legionella Infection During the COVID-19. Project Approval’ and file number: ‘2023–024.01’ . The activities described in this manuscript were conducted in fulfilment of Public Health Ontario’s legislated mandate to provide scientific and technical advice and operational support in an emergency or outbreak situation (Ontario Agency for Health Protection and Promotion Act, S.O. 2007, c. 10) [ ]. This study utilizes test information data from the Public Health Ontario Laboratory Information System and does not involve direct participation or contact with cases. Therefore, participant consent was deemed unnecessary by PHO’s Ethics Review Board. To protect patient privacy and confidentiality, the results in this study are disclosed in an anonymized and de-identified form.

: Not Applicable.

: JBG is a paid consultant scientific editor for GIDEON Informatics, Inc. ( ), which is unrelated to the current work. All other authors have no conflict of interest to declare.