Y’all realize the Black Death spread all over Europe because the rich people wanted their imported goods. Trade must go on!

It wasn’t the peasants who were buying silks and exotic spices.
LOL, I never expected this tweet to gain such attention. It is a gross oversimplification, but it is only meant to bring attention to the fact that the expansion of trade along the Silk Road, after Marco Polo visited China, spread plague from China. It allowed it to pass the X
Once plague went past that red X, into Persia and the Middle East, the dye was cast for Europe. But getting across those deserts and mountains from China was not something that people did unless there were great rewards in return. It was also spread by war. Again, greed.
Peasants get little benefit and much pain from war.
Muting this thread because there is some serious ridiculousness going on in the replies.

Apparently some consider the very name “Black Death” as racist. Just wow. Go look up necrosis.
And I turned off the replies because I was told that some responses were racist. I don't have time to go looking for them. Racists are never welcome in my threads.

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More from @denise_dewald

14 Jan
Great graphic from @TheWHN #CovidIsAirborne Image
@TheWHN Please visit for more resources, including in other languages: worldhealthnetwork.global/resources
@TheWHN En español: Image
Read 4 tweets
6 Jan
I had contractors over at my house today, and I gave them all N95 masks and explained aerosol transmission to them. I put on a N95 mask and am running HEPA filters and a Corsi box. I will keep my N95 mask on for the rest of the day to allow time for any escaped aerosols to settle
Yes, it’s a bunch of hoops to jump though.

But this is how we can continue to function without getting sick.

It’s in the teens (-8 to -10 C) outside so opening windows is not the best strategy today.
😂 at the people who think this was cruel or excessive. The workers were fine with it and got a free N95 mask. I let them use my bathroom as well, because I am not like Ivanka Trump (who made her Secret Service detail rent a place nearby just so they had a toilet)
Read 4 tweets
24 Dec 21
Don't come on my threads praising the Biden response to the pandemic. It has been a colossal fumble. And then this:
And if you think that is harsh: check this out:
Read 4 tweets
23 Dec 21
It seems like a miscarriage of justice that police officer Kim Potter, who was genuinely distraught about mistakenly killing Daunte Wright, got convicted of manslaughter, when remorseless vigilante Kyle Rittenhouse walked free.
When people make a tragic mistake on the job, we need to look at the systems that led to that mistake.

When patients get harmed because of medical errors, it generally happens because multiple failures have occurred simultaneously. We study these cases to prevent future events.
In this case:

1) Daunte Wright should never have been pulled over for the hanging air freshener. This stuff has to end.

2) Officers need improved training.

From what I saw, she didn't seem like a bad cop. She wasn't a Derek Chauvin. She had never fired her gun on duty before.
Read 5 tweets
23 Dec 21
As a pediatrician, reports like this scare the hell out of me.

What they are describing is not just sensory dysfunction, but brainstem dysfunction.

publications.aap.org/pediatrics/art…
This is actually what I study in my sleep apnea research. A brainstem center called the Kölliker-Fuse matures during early life, programming coordination of the swallow.

Case #1 The 16 month-old child can chew food, but cannot swallow what she chews. She can only swallow liquids
She is also not speaking the single word that she could say prior to getting sick. She was infected at 12 months of age, a time of critical developments for eating and speaking.

The Kölliker-Fuse is also involved in speech and breathing coordination.
Read 5 tweets
22 Dec 21
Our public health leadership failed us.

And I am sure not a single one will face consequences for the disaster that they not only allowed to happen, but facilitated.
They refused to listen to aerosol scientists who had collected the data over the past two decades that respiratory diseases are spread predominantly by respiratory aerosols.

And two years into this disaster, they still don’t provide the people with the tools needed to fix this.
We all need to understand aerosol transmission.

We all need to wear tight fitting, effective masks indoors or at close quarters.

We need to clean our indoor air through ventilation and air filtration.

We need to monitor ventilation with CO2 detectors in public spaces.
Read 7 tweets

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