National Collaborating Centre for Environmental Health |

May 2021

This paper reviews the public health guidance around CO2 monitoring as a means to assess ventilation adequacy and COVID-19 transmission risk.

NCCEH Webinar
Indoor CO2 Sensors for COVID-19 Risk Mitigation: Current Guidance and Limitations

May 26, 2021 | 12 - 1pm PT

This webinar will review some of the public health commentary or guidance on CO2 monitoring during the COVID-19 pandemic, and will identify the more challenging aspects of this practice to help facilitate decision-making and communication around CO2 sensors.

Recalls highlight importance of hand sanitizer safety

This recently published article in Environmental Health Review discusses the main factors that contributed to Health Canada issued hand sanitizer recalls since June 2020. Environmental Public Health Professionals can fill an important information gap for the public concerning the safe use of hand sanitizer, especially where children’s exposures are concerned.

As the COVID-19 pandemic evolves, we continue to update our EH resources in our COVID-19 topic page. You will find a complete listing of NCCEH's COVID-19 products as well as curated external resources organized by topical headings.

See the latest

May 2021 Environmental Health & COVID-19 Scan

This monthly Research Scan highlights recent environmental health publications by topic and provides easy access to article abstracts and report summaries to support public health professionals, researchers, planners, students, and others working in public health.

Become a champion for NCCEH's Healthy Built Environment (HBE) Forum!

NCCEH is recruiting additional built environment and planning professionals to join our national HBE champions group. Recruit members, unite in the cause, and advocate for healthier built environments. For more information, contact

BC Lung Association Clean Air Day webinar — Submit Questions

This year, the BC Lung Association has invited BC's top environmental health experts to outline the steps you need to take to protect your health during wildfire season. Speaker this year will be Dr. Sarah Henderson (BC Centre for Disease Control) with moderator, Dr. Michael Brauer (University of British Columbia). Please send questions to the experts by June 2 to Matthew Wong ( or Menn Biagtan (

CPHA Public Health 2021 Conference — Call for Submissions

The Steering Committee invites oral and poster abstracts, didactic symposia and interactive workshop submissions. Submission deadline is June 3

CPHA Infectious Diseases & Climate Change Forum — Call for Submissions 

CPHA invites submissions for the Infectious Disease and Climate Change Forum. Submissions should address topics directly related to the impacts of climate change on infectious diseases. Submission deadline is June 3.

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This email is compliant with Canadian Anti-Spam legislation. For more information please visit the Canadian Anti-Spam Legislation page.Production of the NCCEH eNews has been made possible through a financial contribution from the Public Health Agency of Canada through the National Collaborating Centre for Environmental Health. NCCEH is one of six National Collaborating Centres for Public Health