The science is out there in regard to the filtering capacity of all masks as a result of the media used in their fabrication. As it stands today, the public has been encouraged to fabricate their own masks from various fabric materials and that is the accepted norm going around. For Healthcare we have to subscribe to a higher level! In our practice, we have always used the standard surgical mask with the ASTM 3 designation. This level of filtration is at the level of the N95 but without the fit capabilities. We are well aware that an intimate fit...