The trial conducted at Oxford University and its partner sites is the first to assess the jab's efficacy in children aged 6-17.

England's deputy chief medical officer says COVID vaccines for children could be licensed by the end of the year
Children as young as six will be given the Oxford/AstraZeneca vaccine as part of a new clinical trial to test its efficacy in youngsters.
Researchers will use 300 volunteers to assess whether the coronavirus vaccine will produce a strong immune response in children aged between six and 17.
The trial will begin this month at Oxford University and its partner sites in London, Southampton and Bristol.
The Oxford jab is one of three to have been approved for use in adults in the UK, along with those from Pfizer/BioNTech and Moderna.

The first vaccinations in the trial will take place this month