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Ventilation & Air Quality

LETTER: “Ventilation not Ventilators”

https://assets.documentcloud.org/documents/20417299/ventilation-not-ventilators-an-open-letter-nov-24-3.pdf November 24, 2020 Hon. Christine Elliott Deputy Premier of Ontario, Ontario Minister of Health and Long-Term Care Dr. David Williams, MD, MHSc, FRCPS Chief Medical Officer of Health, Ministry of Health and Long-Term Care Dr. Brian Schwartz, MD, MScCh Vice-President, Public Health Ontario Dear Hon. Christine Elliott, Dr. David Williams and Dr. Brian Schwartz, […]

Kurnitski, J., A. Boerstra, et al. 2020. REHVA COVID-19 guidance document, “How to operate and use building services in order to prevent the spread of the coronavirus disease (COVID-19) virus (SARS-CoV-2) in workplaces.” March 17 , 2020

In this document REHVA summarizes advice on the operation and use of building services in areas with a coronavirus disease (COVID-19) outbreak, in order to prevent the spread of COVID-19 depending on HVAC or plumbing systems related factors. REHVA published its first COVID-19 guidance mid-March 2020. After two updates (April and August), the fourth version […]

Horve, P.F., Lloyd, S., et al. 2020. “Building upon current knowledge and techniques of indoor microbiology to construct the next era of theory into microorganisms, health, and the built environment.” J Expo Sci Environ Epidemiol. 2020 Mar;30(2):219-235.

In the constructed habitat in which we spend up to 90% of our time, architectural design influences occupants’ behavioral patterns, interactions with objects, surfaces, rituals, the outside environment, and each other. Within this built environment, human behavior and building design contribute to the accrual and dispersal of microorganisms; it is a collection of fomites that […]

Tang, J.W. and Li, Y. 2019. “The airborne microbiome – implications for aerosol transmission and infection control.” BMC Infectious Diseases 2019 19:755

Many infectious diseases, such as tuberculosis, whooping cough, Aspergillus and other fungal infections, human and avian influenza, measles, chickenpox, and some of the emerging viruses, such as Middle East Respiratory Syndrome coronavirus (MERS-CoV) can be potentially spread through aerosol transmission. With the advent of deep-sequencing technologies these can be applied to environmental air samples using metagenomic techniques to characterise the presence and variety of […]

Morawska, L., Ayoko, G.A., et al. 2017. “Airborne particles in indoor environment of homes, schools, offices and aged care facilities: The main routes of exposure.” Environ Int. 2017 Nov; 108:75-83.

It has been shown that the exposure to airborne particulate matter is one of the most significant environmental risks people face. Since indoor environment is where people spend the majority of time, in order to protect against this risk, the origin of the particles needs to be understood: do they come from indoor, outdoor sources […]

Stephens, Brent. 2016. “What Have We Learned about the Microbiomes of Indoor Environments?” mSystems Jul 2016, 1 (4) e00083-16

The advent and application of high-throughput molecular techniques for analyzing microbial communities in the indoor environment have led to illuminating findings and are beginning to change the way we think about human health in relation to the built environment. Here I review recent studies on the microbiology of the built environment, organize their findings into […]