Can we vaccinate the world against Covid by the end of 2022?

Posted by on June 8, 2021 1:00 am
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Categories: Global Stories

Achieving herd immunity is possible – and necessary – but requires quick action, say experts

As ambitious declarations go – even for Boris Johnson – it was a big one. At the weekend, the UK prime minister said he would urge the G7 leaders to vaccinate the world against Covid by the end of next year.

But is this feasible? That rather depends on your definition. No country will vaccinate every adult. Vaccinating enough to achieve herd immunity, which could be 60% or 70%, is the real aim. It is possible to achieve that by December 2023, say experts, but only if the G7 leading economies move immediately to make it happen.

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