dennisgorelik: 2020-06-13 in my home office (Default)
Covid-19 epidemic is over in NYC:


Covid-19 kills mostly old people:

About 0.95% of people 75+ years old - died.

The reason why Covid-19 epidemic in NYC is over - is because most people in NYC were quickly exposed to Coronavirus. Most got immunity, but ~0.13% died.

Covid-19 epidemic still continues in other places across the US (which were able to delay the spread of Coronavirus):
dennisgorelik: 2020-06-13 in my home office (Default)
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https://www.sfgate.com/news/medical/article/Some-doctors-moving-away-from-ventilators-for-15187546.php
Generally speaking, 40% to 50% of patients with severe respiratory distress die while on ventilators, experts say. But 80% or more of coronavirus patients placed on the machines in New York City have died, state and city officials say.
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80%+ death rate hints that ventilators help to save, at best, only ~20% of Covid-19 patients that are about to die.
That means that making ventilators more available by flattening the curve - does not really improve survival rates by 2x.
dennisgorelik: 2020-06-13 in my home office (Default)
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https://www.facebook.com/photo.php?fbid=10222515987392983&set=a.10201818625331867&type=1&theater
On the Diamond Princess, where most of the passengers were in their 60's and 70's and you would expect at least a 5% fatality rate, the actual rate when everyone was tested was 2% of those with symptoms, 1% of those who tested positive, and 0.2% of all the passengers.

A global lockdown doesn't just destroy the economy. It kills people. In some Caribbean islands, 80% the economy is tourism. Now, they suddenly have 80% unemployment and people can't eat. Every year, global GDP increases 2.5% and global life expectancy increases 0.2 years. A 3 month lockdown (what it took in China and Korea) means a 10 year setback, or a 2 year reduction in life expectancy. That is 116 million people killed through reduced income to pay for food, sanitation, and health care.
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dennisgorelik: 2020-06-13 in my home office (Default)
https://www.imperial.ac.uk/media/imperial-college/medicine/sph/ide/gida-fellowships/Imperial-College-COVID19-NPI-modelling-16-03-2020.pdf report suggests that COVID-19 epidemic in the US is only at the beginning.
But how do they know that without extensive testing for COVID-19?
Much more likely explanation is that the US is at about the worst part of COVID-19 epidemic already (or even beyond the worst part).
The reason why daily cases of COVID-19 rapidly go up -- is because the US makes more and more COVID-19 tests every day.
So the trend looks scary because number of detected COVID-19 cases rapidly goes up. But the number of real COVID-19 cases is already at the peak and is likely to go down in the following days. Most of these real cases of COVID-19 still stay undetected.
Meanwhile, the number of tested COVID-19 cases may still go up for couple of more weeks - until it hits the declining tail of real cases.

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dennisgorelik: 2020-06-13 in my home office (Default)
Dennis Gorelik

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