A coronavirus vaccine developed by scientists at Oxford University may not prevent people from becoming infected with the disease, experts have warned.
In the latest animal trials of the vaccine, carried out on monkeys, all six primates in the test went on to catch deadly Covid-19, including three that had been vaccinated.
Dr William Haseltine, a former Harvard Medical School professor, said the trial led to the three vaccinated primates having the same amount of virus in their noses as the three non-vaccinated primates.
The results suggests the vaccine, which has received £90 million in government investment, may not halt the spread of the coronavirus.
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