Does the inquiry time and effective time of health code have any influence?

Health code query time and effective time have an impact. Health codes are valid for 14 days, and must be updated after 14 days. Updating method

Personal health codes such as 1 have expired. Click OK.

2. Go back to the main interface of WeChat, click City Service, and then click Health.

3. Enter the health code applet, prompting that the health code has expired. Click Update Now.

4. Fill in the travel location and health information, check what you read, and finally click Submit.