Coronavirus Front Line: The search for a vaccine

Over the last few months the race has been on to create and test a vaccine for Covid -19. Over 200 are in development and some are now licensed and given to protect some of the most vulnerable in society and those caring for them. Winifred Robinson has been alongside medical teams at a UK hospital recording as events unfold. She tracks vaccine development through the trial stages and examines what happens when it comes to eventual distribution.