A spokesman for AstraZeneca, the company working on the coronavirus vaccine, said pausing trials was common during vaccine development
The development of a promising Covid-19 vaccine has been put on hold due to a possible adverse reaction in a trial participant.
A spokesman for AstraZeneca, the company working with a team from Oxford University, told the Guardian the trial has been stopped to review the “potentially unexplained illness” in one of the participants.
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