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Jonathan Mesiano-Crookston

@jmcrookston

9 Jan

#COVIDisAirborne. It always has been.

120 years we should have known this. Be generous say 80). We should have been prepared for it, but experts mangled the science so we aren't ventilating.

Short thread of threads.

Before 1850, miasma theory said disease came out of swamps and killed you. Nobody knew how.

~1850 Snow says cholera in the water (ppl thought in the air).

~ 1860 discovered bacteria. They didn't live long outside body.

https://twitter.com/jmcrookston/status/1311410475784175617

By 1887, a Dr. Chapin knew diseases floated, like scarlet fever. Not as contagious as measles.

https://twitter.com/jmcrookston/status/1311410475784175617

Read 22 tweets

Jonathan Mesiano-Crookston

@jmcrookston

8 Jan

I have a list of articles I never had a chance to pull. Old ones.

I just opened ONE. For fun.

The FIRST ONE.

It's from 1910.

Here is what the abstract said. Most is sprayed out, as found by Flugge. Within 2.5 meters (which is more than the 2m we are using now, interestingly).

Found bacteria on plates but not in air. Their collection methods were rudimentary, of course. That's probably why.

Mentions 7 colonies of bacteria in 140 litres of air. Concludes its safe, and mostly the spray.

Read 6 tweets

Jonathan Mesiano-Crookston

@jmcrookston

8 Jan

https://twitter.com/dgurdasani1/status/1347483541920223232

Ontario pay attention.

https://twitter.com/dgurdasani1/status/1347483541920223232

We are not special, this is coming, and we need to pull out all the stops.

Vaccination is not a magic bullet nor coming soon.

Or HCW will die.

In the meantime please be safe in closed spaces. #COVIDisAirborne

We didn't do the work before so we have to now. #COVIDZero

@fordnation

@fordnation @JohnTory - to the social media people on these account: Mention it up the chain for these two to actually lead. Crack heads. Get going. Earn your keep.

This is a battle and we're on the sofa.

And get money out to people and businesses. This isn't their fault.

Read 5 tweets

Jonathan Mesiano-Crookston

@jmcrookston

3 Jan

AGMPs don't necessarily produce aerosols.

It's just an old talking point that keeps getting repeated. It comes from the PROCEDURE bringing MANY HCW into the room for intubation. Plus the idea of drops flying out of mouths when you intubate.

Another:

Read 13 tweets

Jonathan Mesiano-Crookston

@jmcrookston

3 Jan

1. Nope. It's in the air. So it's "airborne". That's the English word for it and it works.

We can be done with this stupid definition of "airborne" from the 1800s that even epis don't understand.

2. Virus moves like smoke, too. Don't blow a gasket.

#COVIDisAirborne

"Airborne" just meant spreads outside about 3 feet to epidemiologists in the late 1800s and early 1900s.

1. SARS-CoV-2 pretty obviously meets even that definition

2. Anyway we're just using the regular English word not your word. Don't be upset.

#COVIDisAirborne

Once we finally solve this terminology, they're gonna have another problem, which is that all these viruses are "airborne" and we just see longer-range transmission amongst the more contagious/in odd situations.

So they're gonna have a chance to make up more words soon anyway.

Read 12 tweets

Jonathan Mesiano-Crookston

@jmcrookston

2 Jan

Self-inoculation by touching a contaminated mask.

1. We don't know if people get sick from touching masks.

2. We don't know if HCW touch masks and get it on their fingers. (We can use models to estimate though.)

3. But when we do, the transfer efficiency is basically nothing. (Very little pathogen transfers.)

Read 10 tweets

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