Why did the light code suddenly change in Henan?

What you want to ask is why the health code suddenly changed to a yellow code, right? The health code turns into a yellow code for the following reasons:

1. A confirmed case of COVID-19 is found in the area where you are, and you are classified into a control area, and the health code of people belonging to the control area is assigned a yellow code.

2. The health codes of people whose trajectories are suspected to overlap with those of confirmed COVID-19 cases will be updated to yellow codes. For example, the health codes of contacts and time and space companions of sub-close contacts will be assigned yellow codes.

3. I have been to areas with medium and high risks of the epidemic, such as co-investigators in epidemic areas and people in medium-risk areas with yellow health codes in the past 14 days.

4. All employees are required to undergo nucleic acid testing, but if nucleic acid testing is not performed, the health code will be assigned a yellow code.

5. The identity information of the personal mobile phone number matches the person assigned the yellow code.

6. People who self-report health information appear: fever, shortness of breath, respiratory symptoms information.

7. Persons who are confirmed cases within 14 days after being cured and discharged from the hospital, within 14 days after asymptomatic infections are released from isolation, and within 14 days after suspected cases are eliminated. You can find out the specific reason based on the comparison. If you are not sure, you can click on the yellow code of the health code, and the relevant reasons for the yellow code will be displayed, or you can check the text message sent by the local Center for Disease Control and Prevention. Generally, the reason for the yellow code and the solution.