COVID FAQ: I'm a one-way masker. With mask mandates going away, is that helpful? Full story:
, a bioaerosol scientist and industrial hygienist who's a consultant for the University of Minnesota's Center for Infectious Disease Research and Policy.
Of course, any kind of protection is better than nothing at all. If you have no other options, surgical masks are better than cloth masks because the material has electrostatic charge to trap incoming particles, says, an infectious disease physician at Stanford University — but if you're serious, don't count on them to keep you safe when most people nearby are unmasked.
"Just wearing a mask — it helps, but it is not going to turn being indoors into something that has no risk," saysMany of the considerations should feel familiar at this point, if not hard-wired into our pandemic-weary brains. Of course, all these estimates are based on certain assumptions and can't be taken as a strict guide. Brosseau's relies on the idea that there's a high risk of infection for two unmasked people in close proximity for 15 minutes — but that time span comes from contact-tracing guidance used by the Centers for Disease Control and Prevention, not data about the virus.
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