Dr. Artaud provides a lengthy detailed analysis and insight to mask wearing. To read more of his posts, click here. Respirator use, in a variety of forms, was a daily thing for most employees at my former employer (I’m retired). N95 Respirators are Filtering Facepiece Respirators (FFR). Essentially an N95 Filter is shaped into a … Continue reading There is a Science of Respiratory Protection – Time for Authorities to Apply that Science