The emergence of new variants like B.1.1.5.2.9 could have been avoided if wealthy countries had ensured poorer nations had access to Covid jabs, experts have said.
Scientists have described B.1.1.5.2.9, detected in countries including South Africa, as the “most worrying we’ve seen”, with it found to contain a large number of mutations that may not only make it more transmissible, but may also help it to evade the body’s immune system.
But experts such as Tim Bierley, a pharma campaigner at Global
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