First look at upcoming S'pore human trials for Covid-19 vaccine | THE BIG STORY

Nearly all foreign workers will be cleared of Covid-19 by Friday (Aug 7). This comes as the number of community cases in Singapore remains low, with an average 2 cases per day in the past week. Professor Teo Yik Ying - dean of the Saw Swee Hock School of Public Health at the National University of Singapore talks about striking the ideal balance between maintaining this low number and easing restrictions in Singapore. Clinical human trials for a Covid-19 vaccine co-developed by Singapore scientists and a US pharmaceutical firm are set to begin. Science correspondent Audrey Tan tells us about the developments, as she gets a first look. #thebigstory #covid19 #vaccine