Will it turn yellow after passing through the closed area?

Generally, the blocked area will not turn yellow. The color of health code is generally analyzed by big data. If a person moves and stays near the key places where confirmed cases and asymptomatic infected people have stayed, and may have had contact with confirmed cases and asymptomatic infected people, his health code will turn yellow. However, if you just drive through or pass through a closed area, as long as you don't stop, your health code generally won't change color, so don't worry too much.

Caused by a yellow code

If you have been to a high-risk area or passed through a high-risk area and stayed for 4 hours, our health code may change and turn yellow or even red. Followed by the most popular time and space companionship on the Internet. If we are accompanied by time and space, our health code will turn yellow.

Time and space are mainly accompanied by the fact that we have been in the same space with people who have been diagnosed as COVID-19, such as the same indoor area. Don't worry too much when the health code turns yellow. As long as we follow the local epidemic prevention requirements, our code will change back to green.