East Asia has gotten ahead of the coronavirus infection curve. One thing that is helping these countries monitor the spread of the virus is tracing the travel information of its residents. Local governments across the region are asking citizens to scan two digital codes on their phone to report their whereabouts to decide whether they should go into quarantine. Big data has many disease control applications. Professor Yasheng Huang has kept an eye on these developments. As a professor of political economy and international management at the Sloan School at MIT, he gave his opinion about collecting travel information and some privacy concerns generated by this measure.
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