The mask matters | Letters

Looking at the myriad of mask configurations imposed on an unsuspecting population, it is no wonder that the COVID virus continues to decimate thousands of people. Do you need a mask? Why, just take whatever is available, cover your nose (maybe) and mouth, and wrap it around your ears. Sure, right?

Lest you think, one of the best explanations for popping your bubble was posted by USA Today on June 11, 2020. Written by Eric Litke and titled “Fact Check: No, N95 Filters Aren’t Too Much.” big to stop COVID-19 particles ”, he carefully explains why you should be concerned about the mask you wear. Mask makers have been around for many years. And, over the years, standards have been set to ensure wearer compliance and safety within the limits of their respective environments. The N95 standard is one of the best for daily protection against the COVID virus. The problem is, connoisseurs understand what makes these masks in demand.

According to many sources, the COVID virus exists at about 0.125 microns; a micron being 1 / 1000th of a millimeter. To become airborne, the virus must attach itself to a larger particle, such as produced by coughing, speaking, or just persistent dust particles, usually at least 1 micron or larger. The construction of an N95 mask includes electrostatic fibers embedded in a layer that captures particles of different sizes. Masks are not like a strainer that limits particles to a size for passage. The N95 standard deals with the effectiveness of the mask at its least effective filtration. In this case, it is 95% effective at 3 microns but more effective above or below this size. The bottom line is, it’s even better at 1 micron, which makes it very effective at limiting virus overlapping particles.

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