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There is a very cheap and effective way to keep surfaces free from coronavirus (without having to continually spray them) that few people seem to have picked up
by vcdimension 7y ago
There is a very cheap and effective way to keep surfaces free from coronavirus (without having to continually spray them) that few people seem to have picked up on: copper
https://youtu.be/Qb2oWYMrFn8 https://youtu.be/Qb2oWYMrFn8
It kills a wide variety of bacteria & viruses, including coronavirus: https://www.copperclothing.com/wp-content/uploads/2020/02/Coronavirus-Test-Report-2014.pdf https://www.copperclothing.com/wp-content/uploads/2020/02/Co...
Covering surfaces with copper sheeting could be a bit costly, but copper foil tape is really cheap, and easy to apply.
- laxd 7y agoMaybe, in a smarter society, door handles are made of copper? (Or alloys if that's effective)
- Consultant32452 7y agoMost doorknobs are brass, which is copper + zinc.
- laxd 7y agoDoes it work? I had a look outside after writing the comment. The ones I saw where either plastic or wood. (small sample) Edit: I guess the handles we have in our private homes doesn't matter as much as those for public buildings. I'm quite sure the typical public door handle here in Norway are those black plastic plates/pads.
- ridgeguy 7y agoThe copperclothing linked study (2014) used a bovine corona virus that is a "surrogate of human coronavirus", so the results aren't necessarily valid for the current pandemic virus. Yesterday, in a link I can't quickly find, I saw surface lifetimes for the pandemic virus on copper, stainless steel and polyethylene surfaces. Those were 4 hours, 3+ days and 3+ days, respectively. If I can find the link, I'll come back to post.
- laxd 7y agoThis study lists some combinations of material and viruses https://www.journalofhospitalinfection.com/article/S0195-6701(20)30046-3/fulltext https://www.journalofhospitalinfection.com/article/S0195-670...
- chriskanan 7y agoCopper doesn't immediately kill it. Apparently the virus that causes COVID-19 survives this long on various surfaces [0, 1]: Aerosols: Up to 3 hours Copper: Up to 4 hours Cardboard: Up to 24 hours Plastic: Up to 3 days Stainless Steel: Up to 3 days [0] https://www.medrxiv.org/content/10.1101/2020.03.09.20033217v1.full.pdf https://www.medrxiv.org/content/10.1101/2020.03.09.20033217v... [1] https://abcnews.go.com/Health/covid19-days-surfaces-experiment-findings/story?id=69569397 https://abcnews.go.com/Health/covid19-days-surfaces-experime...
- vcdimension 7y agoOK, so for some surfaces 4 hours wouldn't be good enough, but for things like letterboxes, door handles & light switches that aren't used too frequently, it could make a difference, and for minimal cost. For example, a postman has to touch many letterboxes on his/her daily rounds, but only once per day.
- 9HZZRfNlpR 7y agoIf I'm not mistakes door handles were copper for that reason. Anything electrical we want to avoid conductive materials such as a copper.