FILE PHOTO: A QR code for the “LeaveHomeSafe” COVID-19 contact-tracing app is seen inside a shopping mall in Hong Kong, China, December 13, 2022. REUTERS/Tyrone Siu
FILE PHOTO: A QR code for the “LeaveHomeSafe” COVID-19 contact-tracing app is seen inside a shopping mall in Hong Kong, China, December 13, 2022. REUTERS/Tyrone Siu