What does the flight change dynamic reminder mean when there is epidemic prevention and control at the destination?

The flight change dynamic reminder said that the place of arrival has epidemic prevention and control measures means that the airline marketing center ticket office made the XⅩ flight information notification that the place you are going to has epidemic prevention and control measures. . The flight change dynamic reminder means the XⅩ flight information notification made by the airline marketing center ticket office. It is usually due to sudden epidemic information in a certain place. Epidemic prevention and control at the place of departure and arrival means that there is epidemic prevention and control at the starting point and at the place you are going. "Qi" means the starting point, "arrival" means the arrival at the destination, and epidemic prevention and control means that an epidemic has occurred.