Why a failure to vaccinate the world will put us all at risk

The coronavirus vaccination programs for the world’s richest countries are now in full swing. Almost one-quarter of the UK’s adult population has now had the first dose. The US, while not quite at that pace, has now given at least one dose to more than 35 million people.

But for low-income countries around the globe, the picture is very different—and may be for some time. Many of the world’s poorest are still waiting for the first doses to reach them. Estimates by the Economist Intelligence Unit suggest that some 85 countries in the developing world may not be fully vaccinated until 2023 at the earliest.

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