Should we wear a mask? An expert demystifies the question
After the public health flip-flop in Canada in early April about wearing a mask, now encouraging its use to the public, the president and CEO of the Robert-SauvĂ© Research Institute for Occupational Health and Safety (IRSST) ), Lyne Sauvageau, expresses some doubts about the manufacture of artisan masks. "The quality of the mask depends a lot on the quality of the fabric we use to make it," she said in the Qut radio show "Dutrizac" on Wednesday morning. Sauvageau, who heads a large team of specialists in filtration and materials used in masks, believes that not all materials have the properties of filtering oxygen, retaining ultra-fine particles and resisting at high spray pressures. A release effect to avoid The president and chief executive officer made an important warning: “all meshes with regular, coarse geometry, all that will let pass ultra-fine particles. [With certain masks] which I would say accumulate humidity, we can even have what is called a ph