World
Covid-19: China pushes for QR code based global travel system

[ad_1]
QR codes – bar codes that can be read by mobile phones – have been used in China during the pandemic.
[ad_2]
Source link
[ad_1]
QR codes – bar codes that can be read by mobile phones – have been used in China during the pandemic.
[ad_2]
Source link
Lorem ipsum dolor sit amet, consectetur.