Oxford University Covid-19 vaccine trial has 50% chance of 'no result'

Due to a decline in infection rate, the team at Oxford University developing a Covid-19 vaccine believe that the chances of the trial yielding "no result" is now 50 per cent, The Telegraph reported.

The University of Oxford last week announced that the advance human trial of the vaccine will involve up to 10,260 volunteers across the UK.

While explaining when the results of the trial will be available, the university said that to assess whether the vaccine works to protect from Covid-19, the statisticians in the team team will compare the number of infections in the control group with