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Discussion thread III - Covid-19 (new coronavirus)

I watched a John Hopkins panel discussion and it, and other things I have read, lead me to this general conclusion. The dry cough is not causing the same type of large/medium droplets typical in colds and flu but a smaller 'nuclear' droplet that is not quite airborne but can stay aloft longer. The standard 2m separation for droplet transmission may not be quite good enough for COVID and it may remain in the air even after the host has left the room. I have not seen anything about how this changes the respiratory/fomite infection balance. Fomite survival seems to be anything from a couple of hours to a week or more depending on the surface and environmental condition. Better data will come but that is what I have seen to-date, others may have seen other findings, there is so much data it is impossible to read all of it and there is quite a lot of conflicting (or at least not very consistent) research.
John Hopkins link https://www.youtube.com/watch?v=Pnk8DuAly9Y
 
cartski said:
On the recent study posted this morning about aerosol spread and length of live virus on surfaces....is there a common definition on “aerosol”? I recall some debate during SARS about droplet size and aerosol. This is an issue as Osterholm in his recent radio-show video seams to be talking about spread in the general air stream, not just via coughed droplets.

Sorry for the lack of links - iPad.

J.
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I have seen this quote several times over the past few days. As a thumb rule, if you can smell what they had for lunch, you are probably breathing in the virus. Not sure there is a useful study/link done on this - but it makes common sense.
 
I vaguely remember that they had 5micrometers , flu is 0.1 micrometers, corona should be similar
 
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Hey - just wanted to remind everyone that as you see all of the countries taking China-similar actions - you knew this because you follow us.

This not unexpected.

All countries are going to try to slow down the spread. This way the hospital systems can have a chance to manage.
 
This is going to be interesting, as long as you view it from afar. The quote below is from Chris Dall's piece in CIDRAP. It seems there is always someone who wants to swim against the tide. The irony is this came hours after the DG's announcement of a pandemic along with an impassioned speech that this should not be taken as a move to mitigation but as a call to be more aggressive on containment.

In an interview with the Sacramento Bee, Peter Beilenson, MD, head of Sacramento County's Department of Health Services, said the move is an acknowledgement that the novel coronavirus is in the community, and that trying to contain it through quarantines and contact tracing is no longer feasible.

"Once you get a certain number of cases, it's hard to contact-trace back the way you tried originally," Beilenson told the paper. "So we move to mitigation, which is basically trying to mitigate the risk to those who are most at risk: the elderly and those with chronic underlying conditions."
 
Yes, JJackson, thanks for bringing up the new Sacramento policy. This is where I live and when I read that announcement yesterday I was flabbergasted, and still am. This is very scary to me. I thought the quarantines were mitigation. What the heck? I work at the EPA and there are over 3,000 people in my building and we have 18 banks of elevators. I am afraid to touch anything. I just stay in my cubicle. I don't want to go to the cafe downstairs anymore either. And forget going out to a winery. I am in social-distancing mode big-time now. So is it time to start using my preps?

oh, and my husband is a professor at a local college that has not shut down. Another big concern for being in a county that no long quarantines!
 
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Hi! This is The **** Has Hit The Fan weekend.

Get your pandemic support team organized. 5 adults is good.

For instance, someone in my team was stranded with a car problem this morning. Another person who knows to keep distance etc. "jumped" their car. Everyone safe.

:)
 
someone had asked why Germany had so few deaths - another possibility is because they are not testing post-mortem
someone tweeted
 
JJackson, if we could protect the high risk goups with biosecurity, health care systems would not get overwhelmed. So whether or not containment measures are used that should be a priority to do as best as we can. It should be at least part of the tide.
 
That was me wondering. I doubt Germany is overlooking a significant number of deaths. I think your own theory about the virus having been introduced earlier in Italy than it was in Germany is better. (At least I think that was you theory???)
 
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Message from COVID-19 survivor treated in Nebraska:

https://www.usatoday.com/story/trav...rincess-cruise-details-experience/5009172002/
"Stress is probably one of the worst things you could have with the virus because stress contributes to breaking down the immune system. I've done everything in my world to keep stress out of my life in what could be a very, very stressful situation," Goodman said. "I realize it's totally out of my control and really practice trying to learn to stay in the present, not worry about the past and also don't make up stories about what the future might bring. Just stay in the present. And that's helped me get through this."
 
Ronan Kelly said:
Washington, Oregon, Colorado, NJ & Pennsylvania all showing declining flu cases, but increasing ILI cases.
Add Connecticut, Florida, South Carolina, North Carolina to the list. All show declining flu, but an uptick in Influenza-like-illness.
Click to expand...

Add California to the list
 
Don't touch high-touch surfaces if you can avoid it. There were teams busily wiping high-touch surfaces down at the supermarket yesterday here in affected WA state. All you can do is reduce the odds.
 
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East Asia did it with masks and they succeeded. I don't remember that
hand-washing was recommended there.
Now WHO,USA,Europe propagate hand hygiene and not wearing masks. Why ?
 
gsgs said:
Now WHO,USA,Europe propagate hand hygiene and not wearing masks. Why ?
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Because there are still world supplies of soap, and it is quick and easy to manufacture [and it is theoretically easy to train people how to use it correctly].
We know that masks are in short supply internationally - one of the news clips I saw here in NZ tonight had a close up of a fully suited worker (I believe in the US) - they only had a 'nuisance dust' mask, nothing even remotely resembling the proper gear, if front line workers are reduced to that . . .
 
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