Last week, the wall street reacted negatively to the jump in positive cases of COVID19 in the USA. During the weekend, I analyzed a batch of data.

My conclusion: this can be a blessing in disguise!

Hint: I reproduced an interesting graph that has been done by @Trinhnomics.
Hint #2:
I live in the NYC area. We experienced the worst in mid-April. Various researches put the true infection rate around the NYC area at 15%-30%.
This graph (from http://covidexitstrategy.org ) shows what happened now.
3/n:
The single most important factor that impacts the death rate of Covid19 is AGE. (My programs analyzed this before). For ~99% of people younger than 45, infecting this virus is somewhat like having a very bad flu. In contrast, it is a life-death issue for people above 85.
4/n:
If we accept the fact that a country full of people with free-spirits, like the USA, will never behavior like some other countries, our only hope is unfortunately to build some degree of community immunity.
5/n:
Who should shoulder the responsibility of building the community immunity? From the perspective of society, we hope it is the younger people.

Fortunately, this appears to happen right now in the USA, according to the following graph (from WSJ).
6/6:
This is a free country. Nobody is forcing anyone to be infected. The situation just happened naturally due to many personal choices/decisions.

But at end of day, I just felt what had been happening now in the USA is probably "a blessing in disguise".
7/7:

I just realized that I need to fill a logic that I did not explicitly explain in poster #2.

The much slower infection rate observed around the NYC areas is probably more because of an established low-level community immunity than because of people's "better" behaviors.
You can follow @jasonboshi.
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