Does holding a kerchief to your mouth and nose "work" when
Posted on: January 17, 2022 at 18:43:17 CT
raskolnikov MU
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you sneeze?
Yes those are some high end masks but to claim others don't "work" is wholly up to your definition of what work means. Do such masks in some way limit and decrease the volume of droplets coming in and going out. In fact they do - common sense tells you that friend.