Re: Safely reopen?
We have a great many viruses that don't pose great problems, that are "stable". Why?
Did the more dangerous ones that emerged in the past die out because, in a time when they emerged fast long distance mass travel didn't exist so they burned through too much of the community where they emerged?
Or did they mutate to a state where they could live with new hosts? Remember, for instance, that in their natural hosts they are "stable" whatever that might mean.
I think that a major problem now is that we propagate viruses faster than they can evolve to adapt to us as a host. Note that - we propagate them, we don't simply allow them to propagate.