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sMASH wrote:all the uv treated things that supposed to last and last in sunlight, does last... in america and uk and china. in trinidad, all them ting doe dry rot like saw dust.adnj wrote:The infographic is saying that the type of ultraviolet rays that is used for disinfection (UVc) doesn't even make it through the atmosphere.paid_influencer wrote:Penguin wrote:Saw this one Facebook and it seems worth sharing here.
Putting a random post into infographic form does not make it true, but it does make it more credible for the vast majority of people.
That said, that infographic is garbage. Being outside in the sun is a far, far safer scenario than being inside in confined space with a AC unit/recirculated air.
95% UVa 5% UVb 0% UVc at the Earth's surface -- basic earth science.
even if not much UVc, the hot and dry conditions we had for the dry season, made outside open air very very detrimental for microbial propagation.
sMASH wrote:all the uv treated things that supposed to last and last in sunlight, does last... in america and uk and china. in trinidad, all them ting doe dry rot like saw dust.adnj wrote:The infographic is saying that the type of ultraviolet rays that is used for disinfection (UVc) doesn't even make it through the atmosphere.paid_influencer wrote:Penguin wrote:Saw this one Facebook and it seems worth sharing here.
Putting a random post into infographic form does not make it true, but it does make it more credible for the vast majority of people.
That said, that infographic is garbage. Being outside in the sun is a far, far safer scenario than being inside in confined space with a AC unit/recirculated air.
95% UVa 5% UVb 0% UVc at the Earth's surface -- basic earth science.
even if not much UVc, the hot and dry conditions we had for the dry season, made outside open air very very detrimental for microbial propagation.
adnj wrote:I'm not sure where you're going with this but a hair dryer can be used to kill viruses.maj. tom wrote:lol what about that Trinituner user who said he disinfects his mask with a hair dryer?
SARS-CoV-2 is killed at temperatures above 130°F for 20 minutes or 150°F for 5 minutes.
Many hair dryers reach 150°F to 195°F. Home clothes dryers reach 130°F, some commercial clothes dryers reach more than 150°F to sanitize clothes.
paid_influencer wrote:what we've learn so far is that it is rare to get COVID19 from surfaces (fomites). (thelancet.com)
You generally get coronavirus from interacting with other people, not from clothes etc. If you just leave the clothes or mask overnight, you're pretty certain not to get COVID from it.
adnj wrote:The infographic is saying that the type of ultraviolet rays that is used for disinfection (UVc) doesn't even make it through the atmosphere.
95% UVa 5% UVb 0% UVc at the Earth's surface -- basic earth science.
redmanjp wrote:doctors for HCQ? they claim the studies condemning HCQ were flawed- and one was in fact retracted.
https://americasfrontlinedoctorsummit.com/
redmanjp wrote:if you doh have health insurance now is d time to get it- because when you get covid, even if you survive you could have lasting lung, heart or other organ problems!
bluefete wrote:redmanjp wrote:if you doh have health insurance now is d time to get it- because when you get covid, even if you survive you could have lasting lung, heart or other organ problems!
This is what no one is talking about. Just today, I had a discussion on these same issues with someone.
Gladiator wrote:bluefete wrote:redmanjp wrote:if you doh have health insurance now is d time to get it- because when you get covid, even if you survive you could have lasting lung, heart or other organ problems!
This is what no one is talking about. Just today, I had a discussion on these same issues with someone.
Insurance companies don't cover COVID related costs... Once its a Pandemic they have a clause in their agreements that says they won't cover. Guardian Life already sent the notice to my company to send to the workers.
Hair dryer and heat gun sanitization are common emergency medical techniques. Here's some more information:maj. tom wrote:adnj wrote:I'm not sure where you're going with this but a hair dryer can be used to kill viruses.maj. tom wrote:lol what about that Trinituner user who said he disinfects his mask with a hair dryer?
SARS-CoV-2 is killed at temperatures above 130°F for 20 minutes or 150°F for 5 minutes.
Many hair dryers reach 150°F to 195°F. Home clothes dryers reach 130°F, some commercial clothes dryers reach more than 150°F to sanitize clothes.
Oh please, please, please show me with all your pedantic technicalities, just show me one source showing that covid-19 virus can be killed with a hair dryer and show me which publication says it's safe to sanitize your mask with a hair dryer. So you going to hold your hair dryer on high settings for 30 minutes right, and get equal coverage on a mask at all depths of the cloth? And counting on a clothes dryer to disinfect clothes is just stupid, unless it was specifically made for that to be used a hospital or lab setting.
Steups. Like some allyuh does get paid to post here by word count.
redmanjp wrote:i wasn't talking about the cost of treating covid itself- i'm talking about medium to long term effects which happen long after you 'recover'.
goalpost wrote:A lockdown is inevitable, unfortunately. Now would be the best time so the children can go back to school.
adnj wrote:Hair dryer and heat gun sanitization are common emergency medical techniques. Here's some more information:maj. tom wrote:adnj wrote:I'm not sure where you're going with this but a hair dryer can be used to kill viruses.maj. tom wrote:lol what about that Trinituner user who said he disinfects his mask with a hair dryer?
SARS-CoV-2 is killed at temperatures above 130°F for 20 minutes or 150°F for 5 minutes.
Many hair dryers reach 150°F to 195°F. Home clothes dryers reach 130°F, some commercial clothes dryers reach more than 150°F to sanitize clothes.
Oh please, please, please show me with all your pedantic technicalities, just show me one source showing that covid-19 virus can be killed with a hair dryer and show me which publication says it's safe to sanitize your mask with a hair dryer. So you going to hold your hair dryer on high settings for 30 minutes right, and get equal coverage on a mask at all depths of the cloth? And counting on a clothes dryer to disinfect clothes is just stupid, unless it was specifically made for that to be used a hospital or lab setting.
Steups. Like some allyuh does get paid to post here by word count.
------------
To find out the influence on the filtration mechanism of masks (N95 mask and medical surgical mask), five disinfection methods were compared: 1) oven dry heat disinfection, 2) alcohol spraying disinfection, 3) steamer wet heat disinfection, 4) high temperature and high-pressure disinfection and 5) ultraviolet disinfection.
1. It was found that dry heat disinfection (heating at 70 ℃ for 30 minutes) had the least effect on damaging the filtering mechanism, and the filtering effect could be maintained above 95%.
2. The disinfection method of spraying alcohol on the mask will destroy the electrostatic absorption of the mask, causing filtering efficiency of the mask lowering below 95%.
3. Other methods such as steamer damp heat method and high-pressure high temperature sterilization methods also made the filtering efficiency of the mask lower than 95%.In addition, high temperature and high-pressure method makes the mask seriously deformed.
4. The new coronavirus is sensitive to ultraviolet rays, and ultraviolet disinfection does not affect the filtration efficiency of respirators. However, the inactivation effect of viruses in mask fibers, which cannot be directly observed, is unknown. Therefore, it is not recommended.
https://www.imcclinics.com/english/inde ... view?id=83
DRYERS - SANITIZE CYCLE
Sanitizing dryers meet the NSF P154 protocol, and are certified to effectively sanitize household laundry after washing. The Sanitize cycle reduces certain types of bacteria by 99.8%, including: Staphylococcus aureus, Pseudomonas aeruginosa, and Klebsiella pneumoniae. The antibacterial process occurs when high heat is used during a portion of this drying cycle.
https://products.geappliances.com/appli ... ntId=23369
Drying masks and filters: It's recommended to "hot dry" masks and filters if possible, as heat aids in the sanitization process. If you have a dryer, it's easy enough to dry masks inside a laundry bag or pillowcase.
For those who don’t have one, however, you can use a hairdryer on them. As far as filters go, the hairdryer method is a better option, as a machine dryer can be a bit too harsh -- even on a gentler drying cycle. Be sure to keep your dryer at least six to eight inches away from the mask and filter during drying.
Keep in mind that heat exposure eventually deteriorates elastic. If you notice the elastic earloops seem overstretched, it's a sure sign it's time for a new face mask.
https://www.chicagotribune.com/consumer ... story.html
paid_influencer wrote:redmanjp wrote:i wasn't talking about the cost of treating covid itself- i'm talking about medium to long term effects which happen long after you 'recover'.
wouldn't the insurance company also deny coverage under the same clause?
You don't nessarily hold the hair dryer. The method for emergency sterilization over a hair dryer, heat gun or flame is to suspend the object or use a rack over the heat source. Flame sterilization is widely used for metal objects.maj. tom wrote:adnj wrote:Hair dryer and heat gun sanitization are common emergency medical techniques. Here's some more information:maj. tom wrote:adnj wrote:I'm not sure where you're going with this but a hair dryer can be used to kill viruses.maj. tom wrote:lol what about that Trinituner user who said he disinfects his mask with a hair dryer?
SARS-CoV-2 is killed at temperatures above 130°F for 20 minutes or 150°F for 5 minutes.
Many hair dryers reach 150°F to 195°F. Home clothes dryers reach 130°F, some commercial clothes dryers reach more than 150°F to sanitize clothes.
Oh please, please, please show me with all your pedantic technicalities, just show me one source showing that covid-19 virus can be killed with a hair dryer and show me which publication says it's safe to sanitize your mask with a hair dryer. So you going to hold your hair dryer on high settings for 30 minutes right, and get equal coverage on a mask at all depths of the cloth? And counting on a clothes dryer to disinfect clothes is just stupid, unless it was specifically made for that to be used a hospital or lab setting.
Steups. Like some allyuh does get paid to post here by word count.
------------
To find out the influence on the filtration mechanism of masks (N95 mask and medical surgical mask), five disinfection methods were compared: 1) oven dry heat disinfection, 2) alcohol spraying disinfection, 3) steamer wet heat disinfection, 4) high temperature and high-pressure disinfection and 5) ultraviolet disinfection.
1. It was found that dry heat disinfection (heating at 70 ℃ for 30 minutes) had the least effect on damaging the filtering mechanism, and the filtering effect could be maintained above 95%.
2. The disinfection method of spraying alcohol on the mask will destroy the electrostatic absorption of the mask, causing filtering efficiency of the mask lowering below 95%.
3. Other methods such as steamer damp heat method and high-pressure high temperature sterilization methods also made the filtering efficiency of the mask lower than 95%.In addition, high temperature and high-pressure method makes the mask seriously deformed.
4. The new coronavirus is sensitive to ultraviolet rays, and ultraviolet disinfection does not affect the filtration efficiency of respirators. However, the inactivation effect of viruses in mask fibers, which cannot be directly observed, is unknown. Therefore, it is not recommended.
https://www.imcclinics.com/english/inde ... view?id=83
DRYERS - SANITIZE CYCLE
Sanitizing dryers meet the NSF P154 protocol, and are certified to effectively sanitize household laundry after washing. The Sanitize cycle reduces certain types of bacteria by 99.8%, including: Staphylococcus aureus, Pseudomonas aeruginosa, and Klebsiella pneumoniae. The antibacterial process occurs when high heat is used during a portion of this drying cycle.
https://products.geappliances.com/appli ... ntId=23369
Drying masks and filters: It's recommended to "hot dry" masks and filters if possible, as heat aids in the sanitization process. If you have a dryer, it's easy enough to dry masks inside a laundry bag or pillowcase.
For those who don’t have one, however, you can use a hairdryer on them. As far as filters go, the hairdryer method is a better option, as a machine dryer can be a bit too harsh -- even on a gentler drying cycle. Be sure to keep your dryer at least six to eight inches away from the mask and filter during drying.
Keep in mind that heat exposure eventually deteriorates elastic. If you notice the elastic earloops seem overstretched, it's a sure sign it's time for a new face mask.
https://www.chicagotribune.com/consumer ... story.html
You see you're just rambling again. All i did was mention how a person at the start of this thread said that he disinfected his mask with a hair dryer. That's where i am going with this. And you come and showing us a set of information that everyone already knew about heat killing microbes. Not viruses either, but strains of bacteria.
Please show a publication where the authorities said to disinfect your masks for Covid-19 with a hair dryer. None of what you posted there is regarding Covid, one experiment from an obscure website in China on the filtration mechanisms of masks, and one from a newspaper? Try to be aware also of the dates of those articles in common newspapers, published in the early days of covid way before we knew what we know now, . We are talking about the covid virus. And a hair dryer you have at home. We're not talking about commercial lab or specialized equipment and techniques performed by trained virologists and biochemists.
The guidelines from the medical community, from the CDC, are to wash the mask with soap (bleach or detergent) and water, and then tumble dry on high heat, or air dry thoroughly preferably in the direct sunlight.
https://www.cdc.gov/coronavirus/2019-nc ... rings.html
The end. Don't be telling people here a set of bullsheit about putting your mask in the clothes dryer or holding a hair dryer over the mask for 20 minutes at 155°F. That's where i'm going with this.
redmanjp wrote:what happens to SEA students in quarantine on the exam day?
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