Is there one Randomized Study that was performed that can help demonstrate support
for Francis Collins Claims that the COVID VAPORS could be curtailed by any mask ?
If not, then is the current CDC director, Dr. MANDY COHEN's position on the matter any different than the MIASMA THEORY of the 1850's?
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1121911/
https://en.wikipedia.org/wiki/Miasma_theory
This is what happens when FEELINGS overlook FACTS, & Hubris, Superstition, and Ambition
override Scientific Knowledge supported by experiment