With the impact of China’s travel ban, Dr. Tom Frieden, the current head of "Resolve To Save Lives" (Resolve To Save Lives), former director of the Centers for Disease Control and Prevention (CDC), At the end of March, "USA Today" told the editorial board and reporters that it caused a significant delay in the number of infections, and because of this, it has won the United States better preparation time. ". However, this time has not been optimally used.".
Former Director of the Centers for Disease Control: China’s travel ban has worked, but the US is not prepared enough for the coronavirus