Airplanes are parked at the Nantong Xingdong International Airport. [Photo/ntfabu.com]

The Nantong Xingdong International Airport in Nantong, East China's Jiangsu province, published a notice updating its COVID-19 prevention measures on April 27.

The notice states that all passengers leaving Nantong from the airport are required to possess a negative result from a nucleic acid test taken within the past 48 hours, scan the airport's QR code, hold green travel and health codes, and have their temperature taken before checking in at the airport.

These passengers have also been reminded to learn about prevention and control measures in their destination cities in advance.

All people entering Nantong by air are required to report to their hotels or residential communities and present green travel and health codes, as well as a negative result from a nucleic acid test taken within 48 hours.

The passengers also need to use the "Nantong Baitong (南通百通)" app to scan the airport's QR code and register. In addition, they are only allowed to leave the airport after they test negative on a nucleic acid test and antigen test at the airport.