WHO says hundreds of millions of Covid-19 vaccine doses could be ready before 2021

The World Health Organisation said Thursday that a few hundred million Covid-19 vaccine doses could be produced by the end of the year – and be targeted at those most vulnerable to the virus.The UN health agency said it was working on that assumption, with a view to two billion doses by the end of 2021, as pharmaceutical firms rush to find a vaccine.WHO chief scientist Soumya Swaminathan said researchers were working on more than 200 vaccine candidates around the world, including 10 that are in…

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