Health
Scientists in spat over whether to infect people in coronavirus vaccine trials – Telegraph.co.uk
Researchers advocate the use of human guinea pigs which would see healthy people deliberately infected in order to test the jab

Meanwhile, Downing Street has been advised that there is a 50 per cent chance that a vaccine could be administered by next year, but that it is unlikely to give complete protection against the virus.
Instead, the Oxford University team expect the jab to mitigate its worst effects by lessening the severity of the symptoms. Trials found two thirds of recipients developed headaches and a fifth developed a high temperature, it is understood.
In July, Prof Hill announced that initial trials on 1,07…
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