STUDY: Respiratory virus shedding in exhaled breath and face masks
"Surgical face masks significantly reduced detection of influenza virus RNA in respiratory droplets [...] masks could prevent transmission of human coronaviruses and influenza viruses"
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@crispr @benjancewicz I wonder how many people falsely believe that an N95 mask can protect others from an infected wearer, not realizing that they have an exhale valve. It makes sense that the surgical mask protects others from the wearer.
well, in the hospital where I used to work it was mandatory to wear surgical grade mask as part of the isolation protocol (at that time, mostly for patients with active tuberculosis or heavily inmunosupressed.