22:50More or LessDeciding when to suspend a vaccineBBC World Service Duration: 9 minutes Sun 21st Mar 2021, 22:50 on BBC World Service Europe and the Middle EastAvailable for over a yearListen nowWeighing up the risk of unproven side effects with stopping Covid-19. Show more GenresFactualFormatsMagazines & ReviewsBrandMore or Less Source: BBC Online