People can use Alipay, Gaode Map or WeChat to scan the QR code, the Shanghai Municipal Transportation Commission says. (Picture: Shanghai Municipal Transportation Commission) People can use Alipay, Gaode Map or WeChat to scan the QR code, the Shanghai Municipal Transportation Commission says. (Picture: Shanghai Municipal Transportation Commission)
People can use Alipay, Gaode Map or WeChat to scan the QR code, the Shanghai Municipal Transportation Commission says. (Picture: Shanghai Municipal Transportation Commission)
QR codes

Shanghai introduces QR codes on subway to track potential contact with coronavirus

Big data helps China track people in fight against the coronavirus epidemic

Topic |   QR codes
People can use Alipay, Gaode Map or WeChat to scan the QR code, the Shanghai Municipal Transportation Commission says. (Picture: Shanghai Municipal Transportation Commission) People can use Alipay, Gaode Map or WeChat to scan the QR code, the Shanghai Municipal Transportation Commission says. (Picture: Shanghai Municipal Transportation Commission)
People can use Alipay, Gaode Map or WeChat to scan the QR code, the Shanghai Municipal Transportation Commission says. (Picture: Shanghai Municipal Transportation Commission)
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