First the air experts/scientists, wrote time to stop ignoring transmission through air.

The public has gotten involved with the @covidisairborne #COVIDisAirborne petition:
Ontario engineers and scientists now taking up the mantle and pushing for Ontario to recognize air transmission, to which the gov responds with the usual blathering response about "not through an air vent yet"

Only problem is, it has been through air vents.

nature.com/articles/s4159…
Before "no viable virus in air", just stop.

Superspreading can only really happen by air.

There are hundreds of articles
- measuring virus in air (hoof&mouth over many kms)
- breathing virus out
- finding it where spread by air
- tracer gas matching infections
- Amoy Gardens
- animal barns protected by air filtration - you cannot even get insurance without it

I could go on but why bother.
If any other professionals took this long to figure something out - say, engineers while buildings were collapsing - I think most people would agree it would be called gross negligence.

And hey another barn article for your enjoyment.
Let me be clear:

We filter PIG BARNS, but we haven't gotten around to telling businesses to ventilate (and financially assisting them) because some people do not want to bother doing a bit of thinking.

Therefore, people who do not have to die, will die.

Congratulations.
And hey, take it a step further.

Maybe some of the anger of those same businesses is that these people who are not doing the thinking are NOT ACTING WITH ANY SENSE OF URGENCY IN ALL THIS.

This is totally insane.

It's just been one naysaying after another since Feb.
IF EVEN ONE PERSON TELLS ME THE PIGS CAUGHT IT IN THE BREAK ROOM, I SWEAR--...

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More from @jmcrookston

27 Nov
I'm not sure I have the time to explain just how much information is out there so I am just going to post screenshots of articles dealing with airborne/aerosol spread until I get tired.
Read 112 tweets
15 Nov
Literally opened ONE article in my collection.

Rinderpest virus may transmit amongst cattle by aerosols.

From 1979.
2/
3/ virus more stable at low & high RH
Read 8 tweets
4 Nov
Canada finally changes guidance that SARS-CoV-2 transmits in the air!

(Ignore the language about this being "new knowledge" etc that's just everybody saving face.)

Now get HCW all the protection they need because this isn't going away tomorrow ...
Lest there be any confusion at all, this is an excerpt from a 1980s article citing back to the 1930s/40s that measles was proven to be in the air. So no, this is not new. And in relation to coronaviruses, animal coronas were known to be in the air, and SARS and MERS suspected
And of course this needs to be reflected in HCW precautions, which still reflect droplet + N95 for aerosol-generating procedures only

canada.ca/en/public-heal…
Read 9 tweets
3 Nov
@jljcolorado @kprather88 knew I posted it somewhere. Just a quick tag as reminder.

So "droplet" = "airborne across to next bed" maybe?

Hmm ...
Chapin said this and he was very fond of droplets because he felt they "made sense".

Not because he proved them but because he saw most transmission at short range.
Droplet is truly just short-hand for "aerosol infection that happened at short range".

(Other than a rare case where somebody actually sneezes into another's face.)
Read 8 tweets
3 Nov
Norwalk disease causes vomiting which may launch millions of virus particles into the air, perhaps causing its explosive attack rate of over 50%.

Lancet.

1994. Image
Image
Image
Read 11 tweets

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