Mask expert Stephen Petty shares his abundant knowledge and experience: MASKS DON'T WORK. But they DO CAUSE HARM.
Masks have not ever been and cannot be an effective control for airborne virus control. Engineering controls (air filtration/circulation and destruction) have been the solution for 80 years with good reason.
- Certified industrial hygienist
- Certified safety professional
- Professional engineer
- 45 years in the field of health and safety, trying to protect workers and the public from toxins
- Named/testified in over 400 legal cases related to exposure control and personal protective equipment (PPE)