South Africa has announced it's pausing the rollout of the AstraZeneca Coronavirus vaccine, after concerns were raised about its efficacy.
A new study has found the vaccine is less effective against the strain of the virus first identified in the country... that is now widespread throughout southern Africa.
It comes as UK scientists warned people they might need yearly jabs to control the Coronavirus.
John Bevir (Beaver) reports.
In: 'The study of…'
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