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"The rate of growth at a given day is the number of new cases on this day, as a percentage of the number of cases from the previous day. The rate of growth is constant for an exponential evolution, and is 0 when there is no more growth. (Mathematically, it is the derivative of the function divided by the function itself.)"

I don't think that's the curve they're talking about flattening.

I think 2 months is just the lower bound.

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The curve that we must flatten is the admissions to the ICU as that's the main bottleneck if we want to limit the number of deaths.

And 2 months is probably not back to normal (international travel, etc). China is still fearing a second wave coming from the rest of the world.

I don't believe any country can eradicate the virus within its borders once it has spread sufficiently, at least without some form of herd immunity. I think China knows this and is already finding ways to blame foreigners. I think China could completely shut down its borders and still be at significant, if not inevitable, risk.

Note that I think other countries will also play the blame game. I don't plan to buy into the finger pointing as it doesn't really solve anything.

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