This is what people do when they don’t have an answer—they ignore the initial statement.
The fact is that wearing masks can greatly reduce the spread of the virus. Try addressing that.
No problem...
In the USA there are about
40,000 supermarket/grocery stores.
This video shows how a cough or sneeze cloud can spread in a supermarket.
[VIDEO]
The answer is wear a mask...it'll stop the spread.
But do mask work? This video shows what happens when we cough. Around the 2:10 min mark you can see the demonstration with a mask being used.
[VIDEO]
Yes the cloud was restrained...but despite the mask it still was violently released and escaped the protection of the mask.
Next point...
Protection factor of masks.
In
this like you can see the assigned protection factor of different kinds of masks. It is from OSHA
Scroll down to page 5.
The mask generally wore in our supermarkets...lowes, Home Depots, Targets, Coscos, etc. has a protection factor of 10. Note: It also must be fit tested to obtain the protection factor.
What does a protection factor of 10 mean?
The
following article tells us....An APF of 10 means that no more than one-tenth of the contaminants to which the worker is exposed will leak into the inside of the mask. An APF of 100 means only an one percent leakage.
The medical N95 mask is supposed to filter out 95% of the contamination. The key...when fitted properly. Proper seal around the mask.
What is the true protection factor of a mask that has a leak around the nose bridge or cheeks? What if the edge of a mask is on top of a beard or other facial hair? What is the protection factor of a bandana worn like a cowboy robbing a train?
This post so far has demonstrated the large population the mask are worn in....how the sneeze cloud can spread...and the low protection factor and even lower protection of a mask worn unproperly. (leaking severely)
The question I have is considering the above, why do we not see the covid-19 virus spreading like wildfire in our supermarkets? One answer maybe it is because we may only go once or twice a week. What about the supermarket employee who is there everyday stocking shelves of our 40,000 supermarkets...possibly in a in a cough or sneeze cloud or tending the cash register. Why has there been no major outbreak reporteds in the supermarkets?
Do they wash their hands often? Think of all of the produce, jars, boxes and packages those employees touch...everyday.
Something seems fishy concerning this virus. What’s the real scoop?
More numbers....
The size of a virus is about 0.000125 mm
The hole in a N95 mask fabric is about 0.000300 mm.
How does a mask stop a virus that has holes 2.4 times bigger than the virus?
Perhaps if the virus is part of a droplet and the droplet is bigger than 0.000300 mm...but not all of the virus is attached to droplets.
Maybe several layers many help....but the mask still has holes.
Does That Face Mask Really Protect You?
SAGE Journals: Your gateway to world-class research journals
Three types of commonly available face masks were tested: a surgical mask, a pre-shaped dust mask, and a bandana. An N95 respirator was tested as the positive control. 
