At that moment, that person was safe to fly or migrate or whatever, whatever it is, because they were PCR negative, which is probably meaningless if they were about to turn PCR positive five minutes after the test.
那一刻,這個人是安全的,可以飛行或者移民或者其他什麼的,不管是什麼,因為他們是PCR陰性,如果他們在檢測後5分鐘就要變成PCR陽性,這可能是沒有意義的。