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  • PHO Rounds: COVID-19 and HVAC - A Practical Perspective

PHO Rounds: COVID-19 and HVAC - A Practical Perspective

  • 20 Jul 2021
  • 12:00 PM - 1:00 PM
  • Webinar

PHO Rounds: COVID-19 and HVAC: A Practical Perspective

The purpose of this session is to provide a basis of evidence for what is known about the transmission of COVID-19 and how it relates to buildings and Heating, Ventilation, and Air Conditioning (HVAC) systems. This is a continuation from the PHO Rounds: Indoor Air Quality and COVID-19 session delivered in March 2021 and the first part of this session provides an update on changes in the evidence basis for HVAC and related mitigation measures. Approaches and challenges with air monitoring will also be discussed in detail. The second part of this session focuses on case studies regarding different spaces with specific approaches for transmission risk reduction.

By the end of this session, participants will be able to:

  1. Describe the evidence basis for the use of building systems to reduce COVID-19 transmission risk
  2. Compare the use of CO2 and other air monitoring approaches to make informed decisions
  3. Identify elements of an approach for using HVAC and building measures to reduce transmission risk in specific spaces.

Presenter(s): Jeffrey Siegel

Jeffrey Siegel, Ph.D., is a Professor of Civil and Mineral Engineering at the University of Toronto and the Bahen/Tanenbaum Chair in Civil Engineering. He holds joint appointments at the Dalla Lana School of Public Health and the Department of Physical & Environmental Sciences.  He is internationally recognized for his work on indoor air quality generally, and air cleaning specifically, and is a fellow of the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) and a member of the Academy of Fellows of the International Society for Indoor Air and Climate (ISIAQ).  


The opinions expressed by speakers and moderators do not necessarily reflect the official policies or views of Public Health Ontario, nor does the mention of trade names, commercial practices, or organizations imply endorsement by Public Health Ontario.


Public Health Ontario Rounds are a self-approved group learning activity (Section 1) as defined by the Maintenance of Certification Program of the Royal College of Physicians and Surgeons of Canada (RCPSC). In order to receive written documentation for Continuing Medical Education (CME) credits, please check “Yes” beside the question “Do you require CME credits?” on the registration form.

College of Family Physicians of Canada (CFPC) Affiliate Members may count RCPSC credits toward their Mainpro+ credit requirements. All other CFPC members may claim up to 50 Certified credits per cycle for participation in RCPSC MOC Section 1 accredited activities.

PHO Rounds are also approved by the Council of Professional Experience for professional development hours (PDHs) for members of the Canadian Institute of Public Health Inspectors (CIPHI).

For more information or for a record of registration for other Continuing Education purposes, please contact


Public Health Ontario is committed to complying with the Accessibility for Ontarians with Disabilities Act (AODA). If you require accommodations to participate in this event, please contact 647-260-7100 or

Register Here

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