It seems likely the Die4Cy reference below was to an article I linked from the NY Times Opinion section, as well as to a video. I will try to tie these links together with my own experience, below this first quote.
Note: Anyone can get to each original post by pressing the tiny up arrow symbol within each quote.
There was something a couple weeks back about research into viral load and comparing how quickly the disease spreads and how serious the cases turn out to be. I don't know if I read it here or not. But the gist was that a place like New York could have an infection point (such as a subway system) so heavily trafficked and so concentrated in disease on surfaces or for direct transmission so quickly that a couple super spreaders could infect much more quickly than models would be expected to show. It was research into the fact that you don't just need to come into contact with the virus to get sick but that people who got it bad may have encountered a lot more of the virus.
Those same several COVID super spreaders could not recreate those conditions in a place like Iowa, so the spread of the disease would more closely follow traditional models. But you see how it could occur in a place like a packing plant.
My quote below has a link to that NY Times op-ed. It seems they won’t let you access the full article now without giving them an email address and registering at the NYT website. You can if you do, or are already registered and just sign in.
Just below the quote though is a link where it seems you can access it without any hassle.
... I believe the article below is probably not, freely accessible if you are over the article limit that is, as it is in the opinion section. But it has a lot of good medical information on effects of low versus high exposure to the virus, and worth clearing your cookies/ history perhaps, if necessary to access.
These Coronavirus Exposures Might Be the Most Dangerous
As with any other poison, viruses are usually deadlier in larger amounts.
By Joshua D. Rabinowitz and Caroline R. Bartman
Dr. Rabinowitz is a professor of chemistry and genomics. Dr. Bartman is a genomic researcher.
April 1, 2020
https://www.nytimes.com/2020/04/01/opinion/coronavirus-viral-dose.html
Again, the op-ed is also freely available here:
https://dnyuz.com/2020/04/01/these-coronavirus-exposures-might-be-the-most-dangerous/
Li Wenliang, the doctor in China who raised early awareness of the new coronavirus, died of the virus in February at 34. His death was shocking not only because of his role in publicizing the developing epidemic but also — given that young people do not have a high risk of dying from Covid-19 — because of his age.
Is it possible that Dr. Li died because as a doctor who spent a lot of time around severely ill Covid-19 patients, he was infected with such a high dose? ...
From a policy perspective, we need to consider that not all exposures to the coronavirus may be the same. Stepping into an office building that once had someone with the coronavirus in it is not as dangerous as sitting next to that infected person for an hourlong train commute.
... In healthy people ... immune systems respond as soon as they sense a virus growing inside. Recovery depends on which wins the race: viral spread or immune activation. [emphasis added]
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Below is a link to a video I linked just prior to the above op-ed, which explains how CV enters and damages the lungs. Note, you might have to press the little speaker symbol to turn the sound on.
How Coronavirus Attacks the Body
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Below is a post on my personal experience.
It was unusual at the time, but other facts suggesting that it could have been CV were clear only in hindsight, that I didn’t mention below. Note that at the same time, I was running 12-15 minutes 2-5 times a week, often into a stiff north wind — after a long period of inactivity due to a torn rotator cuff — why I figured it was just a cold. By the time CV was looked into, I had run 40 miles the prior week, and walked 20 miles that Sunday. In addition to my physical therapy, this was a process of getting back into shape.
It wasn’t done to beat CV, but could only help.
Applying what’s said in the sources above, if it was CV, it seems it never got much below my nose and mouth.
I haven’t been tested but am increasingly certain I had it in early February, directly, most likely, from someone who had just returned to U.S. from China.
It was unusual at the time, and this was before all the info available now that wasn’t yet at that time. I would not have thought and did not think at the time it was CV. My symptoms were mostly a persistent dry cough for 5-7 days — but with no fever and very little congestion, like the most mild cold I’ve ever had. This was all looked into later. The conclusion was that if it wasn’t just a cold, and instead CV, it didn’t matter by then as I was already well past any quarantine period. And checking with the stethoscope, my lungs were fine.