Hong Kong leader defends health code plans to combat COVID

A woman walks past a government's contact tracing QR code for the "LeaveHomeSafe" COVID-19 mobile app at a shopping mall in Hong Kong, Tuesday, July 12, 2022. Hong Kong's leader John Lee on Tuesday defended plans to introduce a new virus "health code" that would use mobile phones to classify people as "red" or "yellow" and limit their movement. (AP Photo/Kin Cheung)