Month: mayo 2021

Fabric Mask Filtration Overview

This post aims to provide a basic understanding of fabric mask filtration through a broad overview of particle physics, disease transmission, and biology of particles. Introduction: How well do fabric masks filter? The question of how well any specific mask fabric combination blocks SARS-CoV-2, the virus responsible for COVID-19, turns out to be rather complex. […]

Double-Masking and the Science of Fabric Layering

In the spring of 2021 the CDC published advice on double-masking which was based on the results of a study published in February of this year. Although some people that have been fully vaccinated are wearing masks less frequently (per the CDC guidance published in May), there are  many instances where mask use is still […]

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