People should get their Covid booster jabs as part of a "national mission" to avoid restrictions over Christmas, Health Secretary Sajid Javid has said. So far, just over 10 million people in the UK have had a top-up jab, which Mr Javid said was a "phenomenal achievement". But about 30% of over-80s and 40% of over-50s in England are yet to do so, according to government figures. Mr Javid urged people to "play their part" to help get through the winter. His comments come as NHS England prepares to invite another three million people for their booster jabs next week....