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We have resources on dozens of important environmental health topics presented in various forms including Evidence Reviews, Evidence Briefs and Research Scans, Subject Guides, Blogs, Webinar Recordings, and Videos and Tools. Please see this page for more information concerning these document types. Browse the topics and discover what is available.
Review of environmental management strategies to reduce tick populations
March 9, 2023
Key Messages Ticks can be found in any outdoor environment. In general, ticks are found in ground cover plants and shrubs, leaf litter, and within 3 metres of the yard perimeter or…
Do-it-yourself (DIY) air cleaners: Evidence on effectiveness and considerations for safe operation
January 18, 2023
Key Messages A review of academic and technical literature showed that do-it-yourself (DIY) air cleaners performed similarly to commercial portable air cleaners in terms of clean air…
The impacts of climate and land use change on tick-related risks
November 23, 2022
Key Messages Ticks can be found in any environment. They are most commonly found in wooded areas with leaf litter, tall grassy areas, and shrub layers as well as along forest edges, and…
Impacts of Canada’s changing climate on West Nile Virus vectors
November 10, 2022
Key Messages Habitat suitability for the WNV vectors Cx. pipiens, Cx. restuans, Cx. tarsalis and Ae. albopictus is predicted to expand under climate change in Canada. Climate-change…
Pandemic experiences with manual ventilation and carbon dioxide (CO2) sensing in schools
October 19, 2022
Key Messages Schools employed a variety of different manual ventilation protocols to increase air exchange in naturally and mechanically ventilated buildings or classrooms during the…
A review of ticks in Canada and health risks from exposure
August 17, 2022
Key Messages Tick species are undergoing range expansions across Canada due to global warming, animal migration, and land fragmentation. It is estimated that their range is expanding…
Canadian green spaces during COVID-19: Public health benefits and planning for resilience
March 16, 2022
Key Messages Canadian green spaces saw marked changes in visitation during the first months of the COVID-19 pandemic. These included city parks and provincial and national parks, as well as informal…
Understanding transmission of SARS-CoV-2 in the ongoing COVID-19 pandemic
December 15, 2021
Introduction The emergence of a novel coronavirus in late 2019, identified as SARS-CoV-2, has resulted in a global pandemic accompanied by an unprecedented public health response. This review of the…
A rapid review of the use of physical barriers in non-clinical settings and COVID-19 transmission
November 17, 2021
Key Messages Epidemiological and experimental evidence suggests that physical barriers may decrease transmission risk. However, challenges in creating clear guidance around barrier design and…
Masking during the COVID-19 pandemic – An update of the evidence
May 20, 2021
Introduction Extensive debate over when, where, and what types of masks should be worn, and by whom, has persisted during the COVID-19 pandemic. Public health agencies around the world, including…