Now it is necessary to isolate it from Menghai to Yuanjiang.

No need. As of June 26th, 2022, according to the epidemic documents of Menghai and Yuanjiang, Menghai and Yuanjiang are low-risk areas. Menghai and Yuanjiang have been opened to the outside world, and there is no need to isolate them. In order to ensure the safety of people in this area, it is necessary to conduct 24-hour nucleic acid testing to prove entry and exit. At the same time, we must pay attention to personal protective measures and go to crowded places less.