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Covid-19: China pushes for QR code based global travel system
![Covid-19: China pushes for QR code based global travel system](https://ournewsfortoday.com/wp-content/uploads/2020/11/Covid-19-China-pushes-for-QR-code-based-global-travel-system-780x470.jpg)
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QR codes – bar codes that can be read by mobile phones – have been used in China during the pandemic.
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QR codes – bar codes that can be read by mobile phones – have been used in China during the pandemic.
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