That "health score" will be embedded in a digital QR code accessible on your phone, ready to be scanned whenever needed. This is what the city government of Hangzhou in eastern China has envisioned for its more than 10 million residents, inspired by a "health code" system it adopted during the Covid-19 pandemic to profile people based on their risk of infection.
Across the globe, governments have stepped up the collection of personal data in their fight against the novel coronavirus, which has killed more than 345,000 people and infected close to 5.5 million, according to data collected by Johns Hopkins University.
