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WHN Response to Canada’s CSA Z94.4-25 Respirator Standard

CSA Z94.4-25 is a draft national standard proposing science-based airborne protection measures, including universal respirator use in healthcare. While broadly welcomed, it has also drawn a petition in opposition. WHN supports the standard and rejects the petition’s claims. Canada’s national standards body, the Canadian Standards Association (CSA), has released a public draft of CSA Z94.4-25: … Continued

Breathe Safer: The Case for Respirator-Grade Masks

In indoor environments where people share air—classrooms, transit, offices, events—taking steps to ensure clean air is essential. One of the most effective tools we have is the respirator-grade mask, such as an N95. Respirator-grade masks are designed to create a tight seal and filter out airborne particles, including harmful pollutants and infectious viruses. Unlike loose-fitting … Continued

Offener Brief – Ergänzungsvorschläge zum Schutz vor aerogen übertragenen Erregern in den neuen DGKH-Leitlinien

Sehr geehrte Damen und Herren,  zunächst möchten wir Ihnen unsere Anerkennung für die wertvolle Arbeit an den neuen Leitlinien der Deutschen Gesellschaft für Krankenhaushygiene (DGKH) aussprechen. Bei der Durchsicht ist uns aufgefallen, dass der Schutz der Angestellten im Gesundheitswesen und der Patientinnen und Patienten vor aerogen übertragenen Pathogenen nicht ausreichend berücksichtigt sein könnte. Spezifische Maßnahmen … Continued

Join our Public Service Announcement Team

We fill the gap when Government Public Health Agencies fail to inform the public of imminent health risks and available mitigations. To help inform the public, we prepare Public Service Announcements in written and/or video formats. Here is our first written PSA and our first video. Join our team to support and expand this service!

Trump’s Cronies Aren’t What Broke Public Health

The structural blind spots that undermine medical progress and how to fix them. Public health didn’t die when RFK Jr. became Trump’s Health Secretary. It was already on life support, hamstrung by a siege mentality, turf wars, and an erosion of its connection to science. Recently, the Canadian Task Force on Preventive Health Care had … Continued