The claim: If masks cannot keep out drywall particles, they cannot keep out coronavirus, which is smaller Our ruling: False
, told Stanford Medicine that masks could impact how far viral particles can travel. The droplets that carry the viral particles are also larger in size than the virus itself, she noted.
The COVID-19 particle is indeed around 0.1 microns in size, but it is always bonded to something larger., a professor of civil and environmental engineering at Virginia Tech who specializes in airborne transmission of viruses.
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