01:06World Business ReportFirst broadcast 16/11/2020 01:06 GMT: Covid vaccine: Challenges of distributing it around the worldBBC World Service Duration: 23 minutes Mon 16th Nov 2020, 01:06 on BBC World Service East and Southern AfricaAvailable for over a yearListen nowAnd what technology exists for keeping it at the correct temperature? Show more GenresFactualMoneyFormatsBulletinsBrandWorld Business Report Source: BBC Online