More than 32,000 volunteers took part, mostly in America, but also in Chile and Peru.
The vaccine was 79% effective at stopping symptomatic Covid disease and 100% effective at preventing people from falling seriously ill. BBC News
See also:
- Covid-19: Half of UK adults receive first vaccine dose BBC News
- Why are some towns struggling to shake off Covid-19? BBC News
- Coronavirus vaccines: PM to telephone EU leaders in bid to stop export ban being imposed BBC News
- Covid: Masks and social distancing 'could last years' BBC News
- Travel corridors with Europe let 'significant' number of Covid cases into UK The Daily Mail
- Covid Europe: UK had highest excess death toll after first wave, interactive ONS map shows The Daily Mail
- Coronavirus may cause deafness, tinnitus and vertigo, study says The Daily Telegraph
- Professor Neil Ferguson on the Covid year that shattered our way of life – podcast The Guardian
- EU export ban would delay UK Covid vaccine drive by two months The Guardian
- UK sees record 844,000 vaccine doses given on single day The Independent
- Covid case decline slows in England as Europe braces for third wave The Independent
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