Although the Ho Chi Minh City - Hanoi route is gradually filling up, there are still ample tickets available. Flights from various locations to Ho Chi Minh City also show high booking rates, with the Quy Nhon and Chu Lai routes to Ho Chi Minh City achieving a 100 percent booking rate on certain days. The funtional forces regularly check passengers entering Ho Chi Minh City via Tan Son Nhat International Airport to prevent spread of epidemics. Associate Professor Dr. Tang Chi Thuong, Director of the Ho Chi Minh City Department of Health said that since the beginning of the year, hospitals in Ho Chi Minh City have not recorded any new severe Covid-19 cases. In 2023, the Representative Office of the Vietnam Association for Clean Water and Environment in Ho Chi Minh City coordinated with authorities in districts in Ho Chi Minh City and many provinces and cities in the Southern region to organize a program monthly.