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05-23-2024, 11:45 AM #61
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05-23-2024, 12:07 PM #62
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05-23-2024, 12:10 PM #63
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05-23-2024, 12:13 PM #64
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05-23-2024, 12:15 PM #65
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05-23-2024, 12:22 PM #66
I see you aren’t actually reading my posts..I stated respiratory droplet size has not changed…did you miss that.
Let’s try this one more time..the Covid virus is .125 microns and N95 masks have pore holes of .3 microns and surgical masks have pore holes ranging from 16 to 140 microns and DROPLETS around .2 microns can be atomized and have a hang time in cloud form for 6-40 hours and almost no one having sealed eye protection and ya do the math and really think about it then ask what viral load do you need to catch covid ?
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05-23-2024, 12:27 PM #67
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05-23-2024, 12:28 PM #68
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05-23-2024, 12:30 PM #69
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05-23-2024, 12:41 PM #70
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05-23-2024, 12:58 PM #72
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05-23-2024, 01:04 PM #73
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05-23-2024, 01:09 PM #74
What do you think I’m mixing and matching..I presented the facts..the main transmission path is long-residence-time aerosol particles (< 2.5 μm), which are too fine to be blocked, and the minimum-infective dose is smaller than one aerosol particle.
The reason workers in a virus lab wear moon suits, go through multiple sets of sealed doors with decontamination procedures before that suit is removed and breathe pressurized outside air while inside the lab is that these are facts and said virus -- any virus -- will go right through any "mask."
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05-23-2024, 01:11 PM #75
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05-23-2024, 01:14 PM #76
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05-23-2024, 01:20 PM #77
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05-23-2024, 01:24 PM #78
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05-23-2024, 01:29 PM #79
Clearly they don’t..which is why the studies show they don’t besides the fact the states & countries with the most strict mask mandates faired no better than those without…we can go state by state or by country if you like.
If you were actually scientifically-minded you’d show a real interest in how California continued to spike despite having very drastic measures, or how all these Midwest states follow the exact same trajectory. That can’t be explained by 40 million people all complying at once.
You can claim COVID spread is entirely because of noncompliance with COVID measures, but please nexplain how 9 Midwest states peaked within one week of each other despite having completely different COVID policies, or how South Dakota managed to be the first to peak among them
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05-23-2024, 01:33 PM #80
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05-23-2024, 01:39 PM #81
I did..it did not show masks stopping viral transmission.. as far as your N95 information..where are you getting this from?
N: This is a Respirator Rating Letter Class. It stands for “Non-Oil” meaning that if no oil-based particulates are present, then you can use the mask in the work environment. Other masks ratings are R (resistant to oil for 8 hours) and P (oil proof).
95: Masks ending in a 95, have a 95 percent efficiency. Masks ending in a 99 have a 99 percent efficiency. Masks ending in 100 are 99.97 percent efficient and that is the same as a HEPA quality filter.
.3 microns: The masks filter out contaminants like dusts, mists and fumes. The minimum size of .3 microns of particulates and large droplets won’t pass through the barrier, according to the Centers for Disease Control and Prevention (CDC.)
Material: The filtration material on the mask is an electrostatic non-woven polypropylene fiber.
Valve: Some disposable N95 masks come with an optional exhalation valve. “The presence of an exhalation valve reduces exhalation resistance, which makes it easier to breathe (exhale,)” according to the CDC.
.3 microns
THE COVID VIRON IS 1/10 of ONE MICRON
.2 microns are transmitted of viral load
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05-23-2024, 01:44 PM #82
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05-23-2024, 01:44 PM #83
"N95 masks have a filtration efficiency of at least 95% for NaCl particles 100–300 nm in size."
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9915213/
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05-23-2024, 01:48 PM #84
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05-23-2024, 01:55 PM #85
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05-23-2024, 02:09 PM #86
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05-23-2024, 02:09 PM #87
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05-23-2024, 02:11 PM #88
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05-23-2024, 02:19 PM #89
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05-23-2024, 02:22 PM #90
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