If it spread in Wuhan earlier than the initial reports indicated, what evidence is there in cities outside of China that would have been visited by those from or transiting Wuhan? Have they updated the first arrival times in Europe? I assume the us did not track such information but would be pleasantly surprised if they did?
If it entered China from elsewhere, what evidence do they have where “elsewhere” might be? I assume it would have to be major travel cities outside China as well.