Covid-19 health codes; mandatory helmets for cyclists
8:30am-9:15am: Covid-19 health codes\n\n8:30am-9:15am: Benjamin Cowling, Head of the Division of Epidemiology and Biostatistics, School of Public Health, University of Hong Kong\n\n8:30am-9:00am: Wong Kam-fai, Director, Centre for Innovation and Technolog...