Physicist Explains Why Face Masks May Stop Spitballs But Can't Stop Covid

by admin - 2020-12-11 03:54:51 ( in life, health, covid, vaccines) [php version] rebuild

"At first, this spit-protection theory sounds valid enough; but give it two minutes of investigation and it quickly loses its credibility."


Read, listen or watch the rest here: muchadoaboutcorona.ca/spitballs/


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