https://rumble.com/vedfad-supercomputer-shows-effectiveness-of-double-masking.html I told you once and I'll tell you again
Japanese supercomputer simulations show that wearing two masks gives limited benefit in blocking viral spread compared with one properly fitted mask.
rumble.com
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Defcon 1, Fire & Fury, We Are Fighting For You, Message Received - Ep. 2420b
