1. If someone in your community is infected, your health code may turn yellow or red.
2. If you have ever been to a high-risk area, the health code will automatically turn yellow or red.
3. If you take public transportation and someone in the same car is suspected or diagnosed with infection, then as a close contact, your health code will also turn yellow or red.
Therefore, if you just go to Xinning, Hunan Province, the health code will not change color, unless you are in abnormal physical condition or have contact with a confirmed patient, the health code will turn yellow or red.