What it says in the fine print on the boxes of disposable masks we buy: Not for use in healthcare settings.
These aren’t masks.
They’re muzzles.
What it says in the fine print on the boxes of disposable masks we buy: Not for use in healthcare settings.
______________________________________________
Of equal concern is what the composition is of the mask filtering material. There are fibers in some of the masks (Canada and who knows elsewhere) that pose serious health (respiratory) issues.