Clinical trials were put on hold for the new drug. In response shares in AstraZeneca, the company making the vaccine, collapsed.
The suspension took place after at least one of the people taking part in the trial became ill.
In a statement AstraZeneca said: “As part of the ongoing randomised, controlled global trials of the Oxford coronavirus vaccine, our standard review process triggered a pause to vaccination to allow review of safety date.
“This is a routine action which has to