With hundreds of potential COVID-19 vaccines in development and a handful on the horizon, many companies are optimistic about having a jab ready by the beginning of next year. But testing vaccine candidates as fast and safely as possible, is only the first step. The next part may prove to be the bigger challenge — distributing the vaccine and determining who needs it most. It can become a moral and ethical conundrum. Professor Barry Schoub, a virologist and founding director of the National Institute for Communicable Diseases discusses this. Courtesy #DStv403