Physicist Explains Why Face Masks May Stop Spitballs but Can't Stop Covid
Read the rest of the article at muchadoaboutcorona.ca/spitballs/
" At first, this spit-protection theory sounds valid enough; but give it two minutes of investigation and it quickly loses its credibility. "
DISCLAIMER: We are not medical professionals but can read what they say in the various articles linked on this site. Think for yourself. Make up your own mind.
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