Each state is on its own.
Thread [1/9]
The only major difference between US states and EU countries is that EU countries... closed borders, internally and externally. [6/9]
At most, quarantines are required for travelers.
Usually, they're not enforced. [7/9]
Individual states need to realize that. They're on their own.
[8/9]
If US states must behave like countries, they must do that till the end and control the borders: PCR tests and enforced quarantines. [9/9]