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com7fy8

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I am offering this which might follow up from a closed thread about masks being used to help keep the COVID virus from spreading.

They don't work in the same sense that a bullet proof vest doesn't prevent you from getting hit in the head or dying from impact forces but it is way better than nothing in a warzone.
I have been checking various sources, and I have some background in infection control; I would say the authorities are doing what makes sense, about wearing a mask and keeping six feet from people and washing our hands.

Below, I am offering my opinion about what seems to be reasonable >

We know how we are told to wash our hands and not touch our faces. So, if I have a mask on, my mask can help to keep me from touching my mouth and nose where virus could go from my hands to infect me. Also, in case I am in a situation, like in church, where someone likes to run around kissing and hugging people, my mask can keep that person from pushing a kiss on me I personally know a few people who possibly can do this.

And there are people who automatically lick their fingers, any time they separate paper money and other paper things. A mask could help remind them not to do this.

I can't recall hearing anyone sneeze in public in the last 5 months.
But aren't there people who "spit" while they talk? I have had spit land on my face or even in my mouth while certain people have talked to me.

You do when they are contained in droplets of liquid that are larger than those holes.
I saw the video showing how spray aerosol could go through a cloth mask and there was a fine mist on the other side of the mask. And that finer spray could more easily stay afloat in the air!! And even if liquid can spray through a mask, the mask can keep if from going as far as it could, I would say. And the material of a droplet might not be so liquid like aerosol products, plus the propulsive force of breathing or whatever might not be as strong and the aerosol can's force . . . for all I know.

But in case the spray is broken up by the mask so it can float more easily outside the mask . . . at least the droplets are smaller so each one can not carry as much virus. And it could spread out so anyone breathing it in might not breathe in enough to infect the person, or something like that. That could be less risk that taking a direct shot of droplets.

But yes ones do say if you are in air with air-floating virus, you can need to breathe it in for even ten or fifteen minutes before it can infect you. So, in case you are in the open around someone spraying through a mask, you can have an air cushion between you and the person, by keeping six feet away, among other things. And outdoors > a crosswind, for example, might cancel out that person's ability to spread air-floated virus to you. While I share with people outside, I might sense which way the wind is moving, and keep us crosswind, so neither of us is downwind of the other.

But now it seems government regulators will not let you have a fan on, since it can blow from an infected person and it can be breathed-in by ones downwind from the fanned sick person . . . even if they have a mask on, this is. And your air can be slipping around your mask, with the dry-air carried virus. But that can dilute so it might not be strong enough to infect people.

But without a mask . . . it is possible to lick your fingers and infect yourself, and you can spit while you talk or get incoming talk spit.

But keeping it six can help dilute anything that could be breathed from someone else; so this is part of why ones say, also, not to stay in a closed space with anyone, like in a car > even a mask may not keep you safe from the air-breathed virus of someone else who might be infected but still during the one or two days before symptoms show . . . if they do.

Even so, ones ride with and without masks. They can't get sick if no one has the virus, of course The real danger seems to be if a worker is in a space with an obviously sick person, like in I.C.U.

But I understand that singing can cause non-droplet, airborne propulsion of virus from a lung, plus ones are breathing deeply in order to sing, and deep breathing might help get airborne virus deeper into a person's lungs. Maybe vibrating the vocal cords during singing could vibrate virus to be airborne. And they even have people saying not to sing, therefore, in church.

Why do you keep talking of particle size when we all know the particles are suspended in droplets which are much larger?
@LostMarbels > How about if your mask catches droplets, but then your or another person's droplets dry on your mask, and you could then breathe them in or propel them onward from your mask by coughing or sneezing . . . or laughing? And then, for all I know, they could become air carried, not droplet carried, once the droplets have dried out? So, in case, keep cleaning or replacing a mask.

I personally wear a mask around people, and do my part to stay six feet. If someone else comes near me, out of my control, I be nice and trust God. I understand the main risk of spread is touching your face or food with contaminated hands, and being in the direction of someone who is coughing, sneezing, maybe laughing, or spitting while they talk. And evaluate about who you isolate with in a room or car.

Mind you, even at its own rated level it allows 1/10th to pass through. A particle half it's rated size would encounter almost no resistance.
There is the belief that the virus has fat molecule bonds in its coat, and washing with soap dissolves those bonds, breaking up the virus's coat. So . . . if I were to dip my mask in a sudsy solution of dish soap, droplets could hit my mask and the viruses maybe could be dissolved by the soap in my mask . . . maybe ¿? Even if I let the soap dry on my mask, moisture from my breath could help moisturize the soapy coating so any airborne virus could be caught and dissolved while trying to run the blockade > I mean, is it reasonable that the breath moisture could moisten the mask just enough to maintain it as sort of a flypaper-style virus catcher which also could dissolve the virus' coat which has the structures for attaching a virus to the lung cells?
 

LostMarbels

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I don't think soap would work, but not a stupid concept.

I actually brought up the same concept talking about surfactants/emulsifiers used in water filtration that make small particles congeal together or separate, and chemical coatings, or multi media mask that might filter better.

A straight up N95 dust mask isn't going to cut it. Ideally you would want something that actually filters Biologicals from the air. Like a NBC cartridge.


I don't think I would try that one...
 
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LostMarbels

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I have my limits, and you found one. I do not know honestly.
 
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com7fy8

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@LostMarbels > in that video on the other thread, he puts an aerosol can pretty close to the mask being tested, then sprays continually for about a little less than a second, I recall. And there is the mist coming out the other side of the mask. And he is saying, see how the mask does not stop the spray.

But naturally propelled droplets from a mouth would not have a partial second of power-pushed spray to get them all the way through. Possibly, they would stick to the first inside fibers they hit after leaving the mouth. A sneeze might get some more into the fabric, but I am not sure the sneeze power would be centralized enough, like from the aerosol can, or sustained enough for a partial second to get droplet virus all the way through.

So . . . may be . . . the real issue with a cloth mask is it can let airborne virus pass through and around the mask. But this would mean even my shirt-made mask can help, since wet droplets can catch on the cloth fibers.

This is my opinion.

Thank you for your time
 
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LostMarbels

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Its just like an AC filter. It will catch your pet dander. Dust. Mold spores... but might not clean out cigarette smoke if you smoke in your home. That is the reason different filters are rated for different substances, particulates, and tasks.
 
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Tone

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have had spit land on my face or even in my mouth while certain people have talked to me.

Who are these people...?

Seriously though, I wear a mask, at least covering up to my nose about 80-85% of the time, not counting when sleeping.

I already tested positive for the 19, so I do it in case I can infect others. But, my question is can I get it again or still infect others even a month after symptoms are gone?
 
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Nithavela

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There have been cases of people getting reinfected, and it's still unclear how long immunity from an infection lasts. I've seen the number "three months" float around, but at this point science just doesn't know.

The only prudent thing is to act as cautious after getting through a covid 19 infection as you would before it.
 
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Richard T

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If you are reusing your masks, then when you take them off, put it in a bag and leave it in your hot car. Keep it there for several days or more and that mask should be COVID free. Of course you have to have enough masks to rotate them.
 
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com7fy8

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@LostMarbels > Lost Marbels could be more qualified to answer this, but I will offer what I can >

The more official people seem to think it is good to wear your mask so you don't spread it in case you are infected but no symptoms are showing. And they still are trying to prove for sure if you can get it again. So . . . play it safe, I think they are saying. And the mask can be protecting you yourself, from touching your own mouth or nose or eyes with contaminated hands.

The people who could spit while talking to me are not ones spitting large gobs of saliva, on purpose. But there are people who speak so energetically and enthusiastically, that little bits of saliva get pushed into the air - - perhaps when they speak a "p" and a little moisture is between their lips > when they energetically push air out while saying a "p", spit in their lips gets pushed out, too. But if you keep six feet from a person talking to you, I would say you are out of range of such people, plus if you both have masks, that should take care of that pretty well
 
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Daniel Marsh

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I am in my sixth round with the virus. There are 14 strains of the virus.

What is an NBC cartridge?
 
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