It might be the case that a seven day quarantine with a test on the fifth day (for example) would be enough, but I imagine their government would want to see da

It might be the case that a seven day quarantine with a test on the fifth day (for example) would be enough, but I imagine their government would want to see data confirming that. It's probably not the case that someone can be tested on arrival and assumed not to be incubating the virus at as-of-yet undetectable levels.