With hundreds of thousands dying around the world, the race is on to find a vaccine to end the coronavirus pandemic. More than 100 groups across the world are attempting to develop a vaccine, which is likely to induce longer lasting immunity than infection.
As scientists now worry that as restrictions are lifted the number of coronavirus cases will quickly rise, they know the best way to combat Covid-19 will be producing a vaccine.
But there is a potentially deadly risk that comes with this solution - and a "risk/benefit ratio" must be made by those in charge.
AstraZeneca, the Cambridge-based pharmaceutical group, is teaming up with Oxford University to manufacture and distribute a potential vaccine if clinical trials are positive.
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