London, May 23 -- The University of Oxford said on Friday that its researchers have begun recruiting adults and children for advanced human trials of a Covid-19 vaccine that will involve up to 10,260 volunteers across the UK.
The initial human trials which began in April involved more than 1,000 volunteers. The immunisations in the initial trials have been completed and the follow-up is currently underway. The advanced study will involve Phase 2 and Phase 3 trials.
The Phase 2 part of the study involves expanding the age range of the people the vaccine is assessed in to include a small number of older adults and children - aged between 5-12 years, 56-69 years, and those over 70 years.
For these groups, researchers will be assessing the i...