蜜芽传媒

All children aged 12 to 15 in the UK will soon be offered one dose of the Pfizer-BioNTech Covid jab. We invited three 12-year-old pupils from Wales High in South Yorkshire, which we've been following for the last year, to ask questions they have about the vaccine to Professor Calum Semple, a government advisor based at Alder Hey Children's Hospital in Liverpool.