Coronavirus spread would dramatically drop if 80% of a population wore masks, AI researcher says

 Professor De Kai is a founding member of Hong Kong University of Science and Technology and one of the inaugural members of Google’s artificial intelligence (AI) ethics council, the Advanced Technology External Advisory Council (ATEAC).  He spoke with the South China Morning Post’s Elaine Ly about how his research using AI technology found that widespread use of masks could dramatically stop the spread of Covid-19 and allow societies to reopen.