Covid: Your questions answered by Prof Jonathan Van-Tam
England's deputy chief medical officer has been answering questions from members of the British public about Covid-19, including on vaccine safety and effectiveness.
Appearing in a live BBC News special, Prof Jonathan Van-Tam talked about the advice he's given his mum, rolled out a football analogy and even faced one query about Father Christmas.
Read more: Van-Tam: We've scored an equaliser in 70th minute