“Masks, including cloth masks and surgical masks, have measurable efficacy at preventing infected people from transmitting viruses to others.
“
Does the article show the “science” on this? I don’t want to read the whole darn thing. “Measurable effect”, yeah, what’s the amount? Teeny Tiny I bet...
If we wear the muzzle, we can’t bite our masters.
You can download it as a PDF. Download button at the link
here are soem studies that show the effectiveness of masks and from different materials used for masks- note that they wer tested both ways- some were more effective than others at stopping the small virus particles-
https://smartairfilters.com/en/blog/best-materials-make-diy-face-mask-virus/
scroll down to see the different materials and how effective or not they are- these were actual studies done by spraying virus particles, likely a large amount, at the masks-
BUT Note that while masks might prevent it from getting in nose or mouth- the eyes are still a pathway for the virus-