Oxford AstraZeneca jabs effective against severe COVID new trial in US confirms
A large trial in the US and two South American countries of the Oxford-AstraZeneca vaccine has shown 79 per cent efficacy rate at…
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Sarah Gilbert
Oxford COVID-19 vaccine developer cautious on 2020 roll-out
The experimental vaccine, which has been licensed to AstraZeneca, produced an immune response in early-stage clinical trials,…