I received this from an Industrial Hygienist friend, Gary Ticker. He points out that if your mask has an exhalation valve, the valve will allow much of your mists to escape into the air, potentially exposing others to COVID-19.
Note: N95 masks are recommended if you are caring for a relative who is ill or someone diagnosed with COVID-19. Most of us will be wearing cloth masks, medical masks, or un-rated dust masks through this era.
OccuSafe Newsletter: Are N-95 Facemasks the Best Choice?
N-95 air purifying facemasks are now widely used to prevent the spread of COVID-19 during the pandemic. They provide better protection than surgical and homemade masks since they (more…)