Thanks Dave
On 3/24/20 10:02 PM, dave engvall wrote:
Implications?
Gleaned from a medical site.
"Coronavirus is enveloped, meaning the virus has coating on the
outside of it. As it happens, the envelope means that the virus
doesn’t survive well outside of the body—they usually can’t last
longer than 24 hours outside of the body and usually only last less
than 12. This is a good thing in terms of containing an outbreak. It
also means coronavirus can be killed by hand sanitizer and soaps,
oh yes, wash your hands a lot, and use bar soap. The lather is important
which isn’t the case with other types of viruses (most notoriously
norovirus), so your biggest defense against coronavirus is washing
your hands. The problem with viral envelopes is that they allow the
virus to more easily evade your immune system. So, the enveloped virus
has a disadvantage outside of a person, but once it gets in, the
envelope gives it a dangerous edge. Enveloped viruses (which include
influenza) tend to cause longer, more problematic infections for this
reason and are more difficult to develop a vaccine for because of the
envelope".
Yes, it makes me think that parts of any mechanical device used must be
one-use only.
Please look at https://e-vent.mit.edu/ ( there's quite a few efforts
around the world but this one has been submitted for approval or at
least review )
I'm thinking of ordering those parts just to get familiar with the concepts.
Maybe I could repair or build units of similar design.
The MedCram videos seem to be good ( i watched and understood the 1st 2
do far )
https://www.youtube.com/watch?v=i6hmGVBbIJk
Remember, FDA regs are meant to be all encompassing not just virus
specific. A virus is an obligate intracellular parasite. They are not
very tough extracellular. I think this makes the sterility barrier
much lower. However, a damp warm environment is just perfect for
bacterial and fungal growth. Still having a sub micron filter in line
screens a lot of junk.
hmmm sub micron thats easy to breath thru, well its not on that path
neccesarily, its on the exhaust.
Changing subjects slightly I read an unconfirmed note that one of the
early symptoms of corona virus infection was a loss of smell.
Interesting but single source.
I've heard it on DW and AlJazirah and Thai PBS, both taste and smell are
affected.
Dave
Thx Dave stay well
TomP
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