The students haven't figured out how Xinxiang city turned yellow.

May come into contact with yellow code personnel.

The health code of Xinxiang city has not turned yellow, and the main consideration is that the confirmed or suspected patients have walked around nearby, which will also lead to the yellow health code.

If everything is normal, but the health code is yellow, it may be caused by the false alarm of the health code system. You can contact the relevant personnel for handling.