Yes. The point is to flatten the curve. https://www.flattenthecurve.com/

That has nothing to do with the question.

Travel to and from doesn't lower the number of infections in the US, assuming prevalence is about equal on the two continents.

That was a direct response to the question. It's not the total number that matters, it's the rate.

Depends on how imaginative/paranoid you are. It sure seems odd that this week has included an oil price war between Saudi Arabia and Russia, a pandemic declaration, and now the biggest disruption of international travel/commerce since WW2. https://twitter.com/RusEmbUSA/status/1237048071223160833

If I would have my tin foiled hat on I would say something else is going.

We also found out this week that a man that is showing signs of dementia is all but certain to win the democratic primary and face Trump for the presidency. Weird times.