They may have not been infected until they were on the way back.
It has a 14 day incubation period, or so they tell us, but I think it’s at least twice that in some people.
Meanwhile, how many people get infected while you show NO symptoms for 3-4 weeks?..............................
That’s the problem and that’s what any state official is not talking about. How many people are infected while the person showing no symptoms is still shedding and passing the virus to others?