05:50More or LessVaccines: How safe and who gets it?BBC World Service Duration: 9 minutes Sun 6th Dec 2020, 05:50 on BBC World Service West and Central AfricaAvailable for over a yearListen nowIs it too soon to approve a vaccine for use? Plus choosing who goes first. Show more GenresFactualFormatsMagazines & ReviewsBrandMore or Less Source: BBC Online