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Same thread, later comment. But if not, then here:

Good layman’s summary of the science behind mask-wearing:

https://theconversation.com/masks-help-stop-the-spread-of-coronavirus-the-science-is-simple-and-im-one-of-100-experts-urging-governors-to-require-public-mask-wearing-138507

A second layman’s article on the science behind mask-wearing:

https://www.bbc.com/future/article/20200504-coronavirus-what-is-the-best-kind-of-face-mask

Composition of saliva (the microdroplets generated by coughs and sneezes):

https://www.thejpd.org/article/S0022-3913(01)54032-9/fulltext

Size distribution of microdroplets generated by sneezing:

https://royalsocietypublishing.org/doi/10.1098/rsif.2013.0560

More about droplets and aerosols:

https://first10em.com/aerosols-droplets-and-airborne-spread/

Still more about droplets and aerosols:

https://www.ncbi.nlm.nih.gov/books/NBK143281/

And still more about droplets and aerosols: I know these things take time but are we talking about weeks, or are we talking about months?
I seriously want to see your results.

https://www.ncbi.nlm.nih.gov/books/NBK143281/

Particle sizes stopped by masks:

https://pubs.acs.org/doi/10.1021/acsnano.0c03252

Positive pressure face mask:

https://cleanspacetechnology.com/us/cleanspace2/