Quarantine != "barred". Perhaps inconvenient to the point of rethinking the trip, yes, but that's different than a citizen being denied the right of return by their government.
And even that inconvenience can be removed with a free, safe shot that takes 30 seconds to get for those that aren't prevented by some other health condition.
And even that inconvenience can be removed with a free, safe shot that takes 30 seconds to get for those that aren't prevented by some other health condition.