"Health Canada has published Guidance for Indoor Air Quality Professionals, a practical, science-based resource for Indoor Air Quality (IAQ) experts, building operators, and employers." via https://ospe.on.ca/advocacy/policy-win-health-canada-releases-new-iaq-guidance/
We're beginning to see the results of the gears that turn more slowly in public health. Continued advocacy will be necessary, as we need public health authorities, engineering bodies, and regulators across the globe setting standards and raising the bar.