Elimination behind sealed borders is a real possibility. *If* that is achieved, then many would be happy to wait out the pandemic behind sealed borders. You can postpone it forever if you don’t let it in. The virus can only come in, if you let it in.
Do you really believe that?
One way or the other, sooner or later, you're going to have to interact with the rest of the world.
It is your economy that will be destroyed behind sealed borders.
Waiting it out is total bullshit.
The Mayans were waiting out on European pandemics for centuries, until Christopher decided to visit.
Too bad there was no BG then, uh?