After the information is verified by authorities, each user will be assigned a QR code in red, amber or green. Users with a red code have to go into government quarantine or self-quarantine for 14 ...

the software generates a QR code in one of three colors. A green code enables its holder to move about unrestricted. Someone with a yellow code may be asked to stay home for seven days.

Life in China is dictated by QR codes ... health QR codes was rolled out to control the spread of Covid-19. A green health code allows you to move around freely while yellow or red requires ...

After the information is verified by authorities, each user will be assigned a QR code in red, amber or green. Users with a red code have to go into government quarantine or self-quarantine for 14 ...

After the information is verified by authorities, each user will be assigned a QR code in red, amber or green. Users with a red code have to go into government quarantine or self-quarantine for 14 ...