Pharmaceutical company AstraZeneca said it had "voluntarily paused" a randomised clinical trial of its coronavirus vaccine after a volunteer developed an unexplained illness.
The company, which is developing the drug alongside the University of Oxford, is a frontrunner in the global race for a Covid-19 vaccine.
A clinical trial of one of the most promising Covid-19 vaccine candidates has been suspended after a patient developed an unexplained illness.
The vaccine being developed by AstraZeneca and the University of Oxford was suspended as researchers review what led to the illness.
