This is the ignorance being put out by uninformed doctors and websites:

This is the ignorance being put out by uninformed doctors and websites: https://blogs.webmd.com/webmd-doctors/20201006/mask-coronavirus-what-we…  Only N95 masks and higher prevent the inhalation and exhalation of Covid. Neha Pathak and WebMD are misinforming the public. Why?
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