What about Suzhou Green Code and Zhejiang Red Code?

It is suggested that the code holder is at risk of being infected with COVID-19, so it is necessary to do nucleic acid detection in time for investigation.

Sukang code is based on the real data declared by individuals online. After background audit, a personal QR code can be generated and used as an individual to enter and leave the local electronic certificate. Daily travel is based on Su Kang Code Green Code. If there is a red code in the Su Kang code, it needs to be detected by nucleic acid in time.