What does the QR code entry clerk of Healthy Luoyang use to scan other people's codes for entry?

Wechat. Open WeChat to scan the "QR code" in the "Luoyang nucleic acid testing information filling guide flow chart" or follow the official WeChat account of "Healthy Luoyang" (enter nucleic acid testing). The QR code entry clerk of Healthy Luoyang uses WeChat to scan other people's codes for entry. The "health code" is based on real data and can be generated by citizens or people who have returned to work through their own online declaration and background audit.