Who would get a coronavirus vaccine? Yahoo News Explains

Scientists worldwide are working around the clock to create a vaccine for the coronavirus. However, even on an accelerated timeline, medical professionals are still many months away from being able to deploy a vaccine — and once there is one, there will be numerous challenges in distributing it at scale. Jonathan Moreno, a professor of medical ethics and health policy at the University of Pennsylvania, explains the process of creating a vaccine and discusses the hard question of who would be the first to receive it once it finally arrives.