How can we vaccinate the world? Five challenges facing the UN-backed COVAX programme

How can we vaccinate the world? Five challenges facing the UN-backed COVAX programme

SEMrush
The aim of the UN-backed COVAX scheme is to get two billion vaccine doses into the arms of around a quarter of the population of poorer countries by the end of 2021. What are the main challenges that need to be overcome, if this historic global effort is to be achieved?
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