If we do the three guarantees, that is, to ensure that highly pathogenic avian influenza does not spread through vehicles such as vehicles and ships  To ensure that traffic is smooth and that traffic is not blocked on the grounds of prevention and control
To ensure the prevention and control of avian influenza of all kinds of medical equipment, medicines, vaccines and other emergency supplies in a timely and rapid transport, then, highly pathogenic avian influenza can be prevented and treated
Either the highly pathogenic bird flu didn't spread, or we didn't do the three guarantees.