If what the World Health Organization says is true then masks are unnecessary.
Full report here:
https://www.who.int/docs/default-so...na-joint-mission-on-covid-19-final-report.pdf
QUOTE]
I am pretty sure you may be mis-representing what that document says about Airborne spread vs close contact with infected people, infector and infectee. There is airborne spread when something in the air just keeps riding the air currents. But what you showed does say that infected people spew little droplets while they breathe and talk so a sick person should be wearing a very good mask and experts are now saying wearing a good mask can help non infected people.
Whether it is microscopic ash from a volcano, soot from large fires or smokestacks, or other very small aerosols they can hang and spread in the air for many miles. And who knows maybe this is what this report is saying that the virus in and by itself does not just float around in the air and atmosphere for long periods of time.
But I will keep looking for the exact definition of how this spreads.
But if you are at the store and people walk by you they are breathing and even that releases these very small droplets of water or water vapor from lungs.
My wife is making masks with cloth on the outside that hold a piece of HEPA filter material between them and the HePA material traps objects down to .3 microns. I have a blue hospital mask from having a preventive check procedure about 3 weeks ago when this was just heating up and the office made everyone wear a mask. I am still wearing it when I go to the store.
I would think buying a Hepa furnace filter and cutting it up and putting the hepa filter material on the outside of a drywall mask would be better than nothing when you make those necessary runs to the store, doctor, pharmacy, or if you have to work, or a run to get some beer/bourbon, etc
)....
