Covid vaccine rollout must reach developing world to prevent further variants, experts say
Failure to vaccinate the world against coronavirus created the perfect breeding ground for the emergence of the Omicron variant and should serve as a wake-up call to wealthy nations, campaigners have said.
Scientists and global health experts have called for action since the summer to tackle the crisis of vaccine inequality between rich and poor countries. The longer large parts of the world remained unvaccinated, they said, the more likely the virus was to mutate significantly.
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