COVID-19

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Building Shutdown and Re-opening during the COVID-19 Pandemic

[Last Updated: Feb 11, 2021] During the ongoing COVID-19 pandemic, it may be necessary to periodically close public buildings and facilities, followed by re-opening when safe again. Periods of low…
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Conversation series: From risk to resilience: A health equity approach to pandemic preparedness, response and recovery

National Collaborating Centre for Determinants of Health (NCCDH), Office of the Chief PHO of Canada This 5-part conversation series is anchored in findings from the chief public health officer (CPHO…
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COVID-19 and outdoor safety: Considerations for use of outdoor recreational spaces

[NOTE:a printer friendly version of this document is attached at the bottom] Introduction Outdoor recreational spaces make important contributions to social well-being as well as physical and…
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COVID-19 and use of disinfectants and sanitizers in food premises

This blog is based on the NCCEH guidance document Disinfectants and Sanitizers for Use on Food Contact Surfaces to reflect recent developments due to COVID-19. SARS-CoV-2 is the coronavirus…
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COVID-19 and Wildfire Smoke: A Potentially Bad Combination

Exposure to air pollution can irritate the lungs, cause inflammation, and alter immune function, making it more difficult to fight respiratory infections such as COVID-19. Wildfire smoke is a complex…
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COVID-19 in indoor environments — Air and surface disinfection measures

The COVID-19 pandemic has led to the closure of workplaces, public facilities, retail and commercial spaces, entertainment venues, and other indoor spaces where groups of people congregate. As cities…
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COVID-19 Management during Public Health Emergencies

The goal of any public health emergency is to help as many people as quickly as possible. The COVID-19 pandemic has brought a new dimension to emergency management. Not only has COVID-19 made it…
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COVID-19 Precautions for Multi-unit Residential Buildings

The transmission of COVID-19, which occurs primarily through close contact with an infected person, has made it necessary for large proportions of the world’s population to self-isolate in their…
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COVID-19 Precautions for Multi-unit Residential Buildings

Multi-unit residential buildings bring together tens to hundreds of people within the same building envelope and in contact with many of the same surfaces. Although we know that COVID-19 is primarily…
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COVID-19 Risks and Precautions for Choirs

Topics: COVID-19, Indoor Air
The COVID-19 pandemic has required a rethinking of how many of our daily tasks and routine activities influence risks of transmission of SARS-CoV-2, the virus responsible for the disease. Early in…
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Environmental Health Resources for the COVID-19 Pandemic

The transmission of SARS-CoV-2, the virus that causes COVID-19, occurs primarily via direct contact with or respiratory droplets from an infected person. However, there is evidence to suggest that…
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Heating, Ventilation, and Air Conditioning Strategies for COVID-19

Topics: COVID-19, Indoor Air
What facility heating, ventilation, and air conditioning strategies are needed to prevent or mitigate the spread of COVID-19? Join the National Academies’ Federal Facilities Council on Wednesday,…
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Masking during the COVID-19 pandemic

*/ /*-->*/ /*-->*/ [Updated: Oct 21, 2020] Introduction Extensive debate over when, where, and what types of masks should be worn, and by whom, has persisted during the COVID-19 pandemic with…
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Physical barriers for COVID-19 infection prevention and control in commercial settings

Maintaining a safe physical distance will be essential to virtually all social and economic activities carried out during the COVID-19 pandemic. However, there are many instances or activities during…
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Reducing COVID-19 Transmission Through Cleaning and Disinfecting Household Surfaces

Background The primary mode of human-to-human transmission for SARS-CoV-2, the virus responsible for coronavirus disease (COVID-19), is via direct contact with an infected person and their…
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Reducing wood smoke and protecting indoor air quality is more important than ever during the COVID-19 pandemic

Topics: COVID-19, Indoor Air
Wintertime in Canada sees many of us spending more time indoors. Perhaps even more so this year due to COVID restrictions. Amidst the second waves of COVID-19, we are reminded of the effects the…
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Role of ventilation in influencing COVID-19 transmission risk

Topics: COVID-19, Indoor Air
As we return to indoor public spaces, and given the ongoing controversy over whether SARS-CoV-2 can be transmitted in aerosols, there has been intense interest around both the role of ventilation…
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Summer is coming: Wildfire smoke + COVID-19

It is meant as an ominous threat when characters in the popular Game of Thrones series utter “winter is coming”, and I feel the same way about the summer of 2020. The catastrophic wildfire seasons of…
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The Basics of SARS-CoV-2 Transmission

(Previously An Introduction to SARS-CoV-2) [Last Updated March 21, 2021] The emergence of a novel coronavirus in late 2019, identified as SARS-CoV-2, has resulted in a global pandemic accompanied…
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UBC SPPH OEH: Role of heating, ventilation, and air conditioning systems and technologies in the public health response to COVID-19

Topics: COVID-19, Indoor Air
As we return to indoor public spaces, there has been intense interest around both the role of ventilation systems in spreading COVID-19, as well as the use of ventilation to reduce transmission. This…
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