Is it necessary to isolate flights from meilan airport to Wuchuan Airport?

No need. As of September 17, 2022, according to the announcement of Wuchuan Airport in Zhanjiang, people who have lived in the city where the middle-high risk area is located in the past 14 days should report to their village (neighborhood) committee, unit or hotel with negative nucleic acid test certificate within 12 hours after their arrival in Zhanjiang, and fly from Haikou Airport to Wuchuan Airport without isolation.