The new Coronovirus, Covid-19 and its spread globally

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Thanks so much, Traveller!

So if I get this straight, if someone shook hands with someone who had the germs on his hands, then that person could be infected if she touched her eyes before washing her hands? But if she had washed her hands or used hand sanitizer, then that would greatly reduce the chances of infection?

Or if she was near the guy when he sneezed, she might inhale and then be infected?
 
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Annie said:
So if I get this straight, if someone shook hands with someone who had the germs on his hands, then that person could be infected if she touched her eyes before washing her hands? But if she had washed her hands or used hand sanitizer, then that would greatly reduce the chances of infection?

Or if she was near the guy when he sneezed, she might inhale and then be infected?
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Yes.

The scenario you gave raises an interesting point. Someone not infected could spread the virus around.

If I touched a handrail with the virus, I wouldn’t be an asymptomatic infected person. An asymptomatic person must be someone with the virus inside one’s mucous or saliva but has absolutely no symptoms and may never. If I then touched a door knob, the virus is then on the knob. Then I wash my hands. I would be spreading it around without ever getting infected myself.

Obviously I can’t washing my hands constantly every time I touch something so soap and water for 20 seconds is needed before touching one’s eyes, mouth or nostrils areas to avoid getting infected. And people should always cough or sneeze into the crook of their elbows. It’s remarkable how the two simple things prevent the spread of viruses.
 
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Sunlight will kill the virus in droplets that land on surfaces, reducing spread
True that it won’t help you with the infected person coughing next to you
 
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Sun wont kill droplets being transferred between people.

For sun to kill anything it has to be temperature sustained for a given time directly onto the 🦠. We do not know what this is for covid 19 yet though.
 
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What flattening the curve actually looks like:​

During the Spanish Flu outbreak, Philadelphia held a parade while St. Louis cancelled public gatherings.

Practice social distancing so the health system can manage the crisis 😉

(Please Note: This uploaded content is no longer available.)
 
In Italy people are saying the big mistake made was to compare and regard this as a normal flu situation. They now have a bit of a situation with it.
Comparisons don’t work because it is so contagious , and there is no immunity and it has already mutated into a more effective strain from a virus point of view
 
OurLadyofSorrows said:
For sun to kill anything it has to be temperature sustained for a given time directly onto the 🦠. We do not know what this is for covid 19 yet though.
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I don’t think it is temperature related. Strong direct sunlight will have the needed UV rays to kill germs and viruses. The WHO has recommended this for ages to make water safe in an areas without access to clean water.

en.wikipedia.org

Ultraviolet germicidal irradiation - Wikipedia

en.wikipedia.org en.wikipedia.org

www.cuimc.columbia.edu

Can UV Light Fight the Spread of Influenza?

A type of ultraviolet light that is harmless to humans could be a new weapon against the spread of flu virus in public spaces.
www.cuimc.columbia.edu www.cuimc.columbia.edu
 
Theo520 said:
don’t think it is temperature related. Strong direct sunlight will have the needed UV rays to kill germs and viruses. The WHO has recommended this for ages to make water safe in an areas without access to clean water.
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Sustained heat over time. This is how a lot of sterilization procedures work, heard of the term ’ hot enough to fry an egg in this heat?’

We could look at what happens on a cold snowy day, the sun comes out and a lovely sunny day is had on the slopes, but it is still winter and normal cold and flu virii happily increase as is their want.
 
vz71 said:
You did just write in that heat is what is destroying pathogens, not the UV light…
Am I mistaken?
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With sun exposure as compared to specific UV-C bug kill. when discussing those cold and flu bugs on surfaces, external outdoor surfaces. Once things heat up in summer, dry heat internally , indoors , over a specific time, kills those bugs too. Talking about surfaces, I have never swabbed a cleaned wooden surface and found bacteria, but I have with a non wooden surface. Get wooden food preparation boards.

For targeted Bug kill by UV-C, there is a fair bit of physics and research behind it, building the most effective equipment , optimising it, finding the most efficient wave length, (similar to some of the UV sun but not the same)

As the wiki article says, UV-C is well blocked here on the earths surface by the ozone layer and is weak. I guess that might be one advantage of that hole in the Ozone over the Antarctic. More UV-C will get through, but thats not good for us or the aquatic and terrestrial food chains.
 
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The article cites “15 deaths” in the U.S. Since that was written, deaths in the U.S. from the coronavirus have nearly tripled, and it’s still going up. The number of total cases in the U.S. has taken off in the last week (see link below).

This is really irresponsible reporting by LSN.

 
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