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
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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
Xinmei Shen
Xinmei Shen

Updated: 4:17pm, 28 Feb, 2020

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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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