We must share vaccines globally in our fight against covid-19

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IN THE long term, the future is looking bright. Several coronavirus vaccines are proving far more effective than we dared hope, and while some aren’t as effective against new variants, most do still work.

In the short term, however, things may get worse before they get better. Despite many countries, including the UK, starting to return to “normality” with the relaxing of restrictions, we now have another dangerous new variant – B.1.617.2, first detected in India – to contend with. It might be even better at spreading than the B.1.1.7 variant from the UK.

Even the UK, which has …

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