Masks. How do they protect a person from infection spread by another person? Where, what, is the science?
Tag Archives: surgical mask
Un-Masking the Origin and the Purpose of the Surgical Mask
While recently undergoing examination by physician, I was required to wear a surgical mask; he wore a N95 mask. I remarked, “Your mask and my own both do the same thing: they both protect you from me.” He shrugged and nodded agreement.
John N. White 